View source for BRSTM file

BRSTM files store sound data. They're used in Mario Kart Wii and possibly other games.

They contain an header, followed by a HEAD chunk, a ADPC chunk and a DATA chunk.
All the data in those files are big-endian, except where mentioned.
All the offsets are absolute (from begining of file), except where mentioned.
All the sizes are in bytes, except where mentioned.

=== BRSTM header ===

The header is 64 bytes long.

{| class="wikitable"
|-
! Offset
! Size
! Description
|-
| 0x0000
| 4
| "RSTM" (0x5253544D)
|-
| 0x0004
| 4
| Magic (0xFEFF0100)
|-
| 0x0008
| 4
| Size of the whole file
|-
| 0x000C
| 4
| Unknown
|-
| 0x0010
| 4
| Offset to HEAD chunk
|-
| 0x0014
| 4
| Size of HEAD chunk
|-
| 0x0018
| 4
| Offset to ADPC chunk
|-
| 0x001C
| 4
| Size of ADPC chunk
|-
| 0x0020
| 4
| Offset to DATA chunk
|-
| 0x0024
| 4
| Size of DATA chunk
|-
| 0x0028
| 24
| Unknown/Padding (zero)
|}