WRID>RIFF-WAVE>FLLR

FLLR appears to be a padding chunk similar to JUNK.

Chunk Name Bytes Type conditionDescriptionWRID
FLLR id 4 u8[4] id = FLLR ...>id
FLLR size 4 u32 ...>size
FLLR padding size u8[size] ...>padding

Usage

Appears to be added by some Apple APIs. According so some forum posts, it may be used to align the begining of the data chunk to blocks of 4096 bytes.

Learning References

Specification

  • [UNKNOWN] Placeholder for chunks which don't have a known specification.