SUBSCRIBE_OK

A publisher sends a SUBSCRIBE_OK as the first response message on the bidi stream for successful subscriptions.

SUBSCRIBE_OK Message {
  Type (vi64) = 0x4,
  Length (16),
  Track Alias (vi64),
  Number of Parameters (vi64),
  Parameters (..) ...,
  Track Properties (..),
}

• Track Alias: The identifer used for this track in Subgroups or Datagrams (see Section 11.1).

• Parameters: The parameters are defined in Section 10.2.

• Track Properties : A sequence of Properties. See Section 2.5.