BRSAR (File Format)
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This page describes the BRSAR format used to store sound effects and some music. It is used in Mario Kart Wii, Super Smash Bros. Brawl, The Legend of Zelda: Skyward Sword, and other games.
File Header
The file begins with a header of size 0x40 bytes. All lengths are in hexadecimal.
Offset | Size | Description | |||
0x0 | 0x4 | File identifier: "RSAR" in ASCII | |||
0x4 | 0x2 | Byte order mark. 0xFEFF is Big Endian, 0xFFFE is Little Endian. | |||
0x6 | 0x2 | "VersionMajor" and "VersionMinor" flags from BrawlBox. Mario Kart Wii uses 01 04. HomeButtonSe.brsar (used for the Home Menu) uses 01 01. Unknown if it affects anything in-game. | |||
0x8 | 0x4 | Length of the file (in bytes). | |||
0xC | 0x2 | Length of the header (in bytes) (always 0x0040) | |||
0xE | 0x2 | Unknown (usually 0x0003) | |||
0x10 | 0x4 | Offset to the SYMB section | |||
0x14 | 0x4 | Size of the SYMB section | |||
0x18 | 0x4 | Offset to the INFO section | |||
0x1C | 0x4 | Size of the INFO section | |||
0x20 | 0x4 | Offset to the FILE section | |||
0x24 | 0x4 | Size of the FILE section | |||
0x28 | 0x18 | Padding (0x00) | |||
End of header |
Sections
Unless otherwise noted, offsets in each section are relative to the start of the section block.
SYMB
The SYMB section consists of an FST-like data structure. It contains 3 header-less subsections.
Offset | Size | Description | |||
0x0 | 0x4 | File Identifier, SYMB in ASCII | |||
0x4 | 0x4 | Size of the SYMB section | |||
0x8 | 0x4 | Unknown | |||
0x0C | 0x4 | Number of entries in the SYMB table | |||
End of header |