(per RFC3555) MIME media type name: video MIME subtype name: MPV MPEG-1 or -2 Elementary Streams Required parameters: None Optional parameters: type: the type of MPEG video, from the set "mpeg1", "mpeg2-halfd1", or "mpeg2-fulld1". The default is "mpeg1". The mapping to a=fmtp is identity. Encoding considerations: This type is only defined for transfer via RTP [RFC 3550]. Security considerations: See Section 5 of RFC 3555 Interoperability considerations: none Published specification: RFC 2250 Applications which use this media type: Audio and video streaming and conferencing tools. Additional information: none Person & email address to contact for further information: Stephen Casner Intended usage: COMMON Author/Change controller: Stephen Casner