Preserving metadata in production pipelines

[tidoust]

Four major sorts of metadata that need to be transported and preserved with the media content itself. How to design a common framework for associating elements?

Raised in:

• Metadata in Production Workflows

[tidoust]

A concrete need raised during live sessions is the possibility to extend WebCodecs to expose SEI metadata along with frames, which led to https://github.com/w3c/webcodecs/issues/198#issuecomment-970384064