Type name: video Subtype name: vc2 Required parameters: rate: The RTP timestamp clock rate. Applications using this payload format SHOULD use a value of 90000. profile: The VC-2 profile in use, the only currently allowed value is "HQ". Optional parameters: version: the VC-2 specification version in use. The only currently allowed value is "3" since all Sequences transported using this mechanism will contain HQ Picture Fragment data units, which the VC-2 specification [VC2] defines as requiring version 3. level: The VC-2 level in use. Any integer may be used. Encoding considerations: This media type is framed and binary, see section 4.8 in RFC6838. Security considerations: Please see security consideration in RFC8450 Interoperability considerations: N/A Published specification: RFC8450 Applications that use this media type: Video Communication. Fragment Identifier Considerations: N/A Additional information: N/A Person & email address to contact for further information: james.barrett&bbc.co.uk Intended usage: COMMON Restrictions on usage: This media type depends on RTP framing, and hence is only defined for transfer via RTP [RFC3550]. Transport within other framing protocols is not defined at this time. Author: Change controller: IETF Payload working group delegated from the IESG. Provisional registration? (standards tree only): No