(registered 2022-03-28, last updated 2022-03-28) Media type name: application Media subtype name: vnd.onvif.metadata Required parameters: N/A Optional parameters: N/A Encoding considerations: binary Security considerations: The conveyed data describes the content of a video stream and needs to be handled correspondingly in regards to privacy. The format does not provide any means for integrity or privacy protection. Transport encryption and authentication should be considered. The content is descriptive and does not include any executable code nor scripts. Transmitted XML documents should only stretch a small amount of frames to reduce impact of dropped packets. Nevertheless receivers must be able to cope with arbitrary long documents. Interoperability considerations: This content type carries timed metadata including scene description and event information. All types are defined by ONVIF schema, as well as ONVIF Core and Streaming Specification. Test cases are available via ONVIF Test Tools. Published specification: ONVIF Streaming Specification: https://www.onvif.org/specs/stream/ONVIF-Streaming-Spec.pdf ONVIF Analytics Specification section 5.1: https://www.onvif.org/specs/srv/analytics/ONVIF-Analytics-Service-Spec.pdf ONVIF Metadata schema: https://www.onvif.org/ver10/schema/metadatastream.xsd Applications which use this media: ONVIF compliant cameras, recorder and clients. Fragment identifier considerations: N/A Restrictions on usage: N/A Provisional registration? (standards tree only): N/A Additional information: 1. Deprecated alias names for this type: N/A 2. Magic number(s): N/A 3. File extension(s): N/A 4. Macintosh file type code: N/A 5. Object Identifiers: N/A General Comments: Person to contact for further information: 1. Name: Hans Busch 2. Email: hans.busch&de.bosch.com Intended usage: Common Signaling stream content type via SDP Session Description Protocol according to RFC 2327. Author/Change controller: ONVIF Technical Committee Chairman Hans Busch