We want to move the Wellcome Library away from the Wellcome Player and onto the IIIF 2.0 Universal Viewer (UV).
This allows us to move all the Wellcome Library's image API endpoints to the protoype DLCS (Digital Library Cloud Services) that we have started building.
We have a problem. We have video, audio and born-digital content, besides image sequence content. We don't want to maintain the Player and the UV together. This non-image content is a tiny fraction of the total, but an important one.
Other institutions share this problem, and everyone agrees that IIIF will need to extend to handle non-image-sequence resources - "IxIF". We want to inherit all that we can from IIIF - the JSON-LD, the Open Annotation model, the manifest wrapper and general approach to metadata ("presentation not semantics"). Shared Canvas may be appropriate for some media but not others.
- Images are canvas-based media - they occupy a region of a plane. Annotations are on regions of the plane.
- Audio is a time-based medium - i