GFCP: Difference between revisions
Jump to navigation
Jump to search
Meleemeister (talk | contribs) Created page with "'''GFCP''' is a container for compression. ==File Format== ===Header=== {| class="wikitable" border="1" ! Offset !! Size !! Type !! Description |- | 0x00 || 4 || char[4]..." |
Meleemeister (talk | contribs) |
||
| Line 24: | Line 24: | ||
| 1 || byte pair encoding | | 1 || byte pair encoding | ||
|- | |- | ||
| 2 || | | 2 || LZ77 | ||
|- | |||
| 3 || [https://wiibrew.org/wiki/LZ77 LZ77] Version 0x10 but without header | |||
|} | |} | ||
Revision as of 22:14, 27 September 2021
GFCP is a container for compression.
File Format
Header
| Offset | Size | Type | Description |
|---|---|---|---|
| 0x00 | 4 | char[4] | Magic Word 'GFCP' |
| 0x04 | 4 | uint32 | Always 1 |
| 0x08 | 4 | uint32 | Compression type/algorithm which was used to compress the data |
| 0x0C | 4 | uint32 | Raw/Uncompressed data size |
| 0x10 | 4 | uint32 | Compressed data size |
Algorithms
| ID | Algorithm |
|---|---|
| 1 | byte pair encoding |
| 2 | LZ77 |
| 3 | LZ77 Version 0x10 but without header |