...
- https://github.com/gpac/mp4box.js/ - Javascript based, also references mp4box.
- https://gpac.github.io/mp4box.js/test/filereader.html - Interesting tool based on the above for seeing metadata in mp4 files.
- https://w3c.github.io/webcodecs/
Widget Connector url https://www.youtube.com/watch?v=U8T5U8sN5d4 - https://www.w3.org/2021/03/media-production-workshop/agenda.html#session-3
XMP RDF
- https://www.w3.org/1999/02/22-rdf-syntax-ns#
- https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#type
- https://www.w3.org/TR/rdf-syntax-grammar/