Talk:PlayStation archive (PSARC): Difference between revisions

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(the structure table in talk page was obsolete, was used experimentally before writing the main page, now all has been moved to main page, please edit main page instead... or use talk page for further speculation)
 
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==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"?>
<data>
  <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" /><!-- only valid for "max block size" == 2^16 -->
    </array>
  </struct>
</data>
PSARC header example:
'''Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F'''
00000000  <span style="background:#ff6666;">50 53 41 52</span> <span style="background:#66ff66;">00 01 00 04</span> <span style="background:#ffff66;">7A 6C 69 62</span> <span style="background:#6666ff;">00 01 23 BA</span>  PSAR....zlib..#º
00000010  <span style="background:#dd00dd;">00 00 00 1E</span> <span style="background:#dddd00;">00 00 09 16</span> <span style="background:#dddddd;">00 01 00 00</span> <span style="background:#d0000d;">00 00 00 02</span>  ................
{| class="wikitable"
|-
! Offset !! Size !! Name !! Example !! Value (conversion) !! Notes
|-
| style="background-color:#ff6666;" | 0x00 || style="background-color:#ff6666;" | 0x04 || '''magic''' || 50 53 41 52 || PSAR || '''P'''lay'''S'''tation '''Ar'''chive
|-
| style="background-color:#66ff66;" | 0x04 || style="background-color:#66ff66;" | 0x04 || '''version''' || 00 01 00 04 || 01.04? ||
|-
| style="background-color:#ffff66;" | 0x08 || style="background-color:#ffff66;" | 0x04 || '''compression type''' || 7A 6C 69 62 || zlib || zlib or lzma
|-
| style="background-color:#6666ff;" | 0x0C || style="background-color:#6666ff;" | 0x04 || '''table of content length''' || 00 01 23 BA ||  ||
|-
| style="background-color:#dd00dd;" | 0x10 || style="background-color:#dd00dd;" | 0x04 || '''table of content entries size''' || 00 00 00 1E || ||
|-
| style="background-color:#dddd00;" | 0x14 || style="background-color:#dddd00;" | 0x04 || '''number of entries''' || 00 00 09 16 || 2325+1 files ||
|-
| style="background-color:#dddddd;" | 0x18 || style="background-color:#dddddd;" | 0x04 || '''block size''' || 00 01 00 00 || 65536 Bytes || block size per default is 64 KiB (65536 Bytes)
|-
| style="background-color:#d0000d;" | 0x1C || style="background-color:#d0000d;" | 0x04 || '''archive flags''' || 00 00 00 02 || - ||
|}

Latest revision as of 21:17, 20 March 2017

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