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| Chunk Size || 4 || 4-byte integer specifying the size of this chunk minus the first 8 bytes | | Chunk Size || 4 || 4-byte integer specifying the size of this chunk minus the first 8 bytes | ||
|- | |- | ||
| '' | | ''Flags?'' || 8 || 2-bytes whose purpose are not completely clear, but appear to be some kind of flags (16 appears to mean it's a "split" chunk and 2 appears to mean it's an ending chunk. Ending chunks have no data). | ||
|- | |||
| ID || 10 || 4-byte integer that identifies which MxOb this belongs to. | |||
|- | |||
| ''Milliseconds?'' || 14 || 4-byte integer that appears to be the chunk's offset in milliseconds increasing continuously (1000, 2000, 3000, etc.) | |||
|- | |||
| Chunk Data Size || 18 || 4-byte integer for the size of the data following the header. | |||
|- | |- | ||
| Data || 22 || Arbitrary data no more than "Chunk Size - 14" in bytes (14 for the 22-byte header minus the first 8 bytes) | | Data || 22 || Arbitrary data no more than "Chunk Size - 14" in bytes (14 for the 22-byte header minus the first 8 bytes) | ||
|} | |} | ||
=== "Split" Chunk? === | |||
In addition to the datas being split into chunks, it also appears the chunks themselves can be split arbitrarily and have another chunk of data inserted between them. If a chunk is split, both chunks will have the ''Flags?'' section set to 16. They'll also both have the same ''Milliseconds?'' value. The "Chunk Size" will be accurate to each chunk's size, but the "Chunk Data Size" of the first chunk appears to be the total size of both chunks' data. The second chunk's "Chunk Data Size" is accurate to its own chunk data size. This is newly discovered information and may not be completely accurate. |