All unidirectional MOQT streams start with a variable-length integer indicating the type of the stream.
| ID | Type |
|---|---|
| 0x05 | FETCH_HEADER (Section 11.4.4) |
| 0b0XX1XXXX | SUBGROUP_HEADER (Section 11.4.2) |
| 0x2F00 | SETUP (Section 10.3) |
| 0x132B3E28 | PADDING (Section 11.5.1) |
An endpoint that receives an unknown stream type MUST close the session.
Control streams (SETUP) are described in Section 3.3. Data streams (FETCH_HEADER, SUBGROUP_HEADER) are described in Section 11. Padding streams are described in Section 11.5.