Maggie Dennis from LCA reported a bug during which officewiki videos fail to play properly. further investigation showed that it's likely img_auth.php's fault and especially in regards with transcoded containers.
returns an "access denied" (a misnomer), with the message:
File "mwstore://local-multiwrite/local-public/transcoded/9/99/Basic_tables.ogv/Basic_tables.ogv.480p.ogv" does not exist.
This is clearly wrong. That file would not exist indeed, the correct path would be
(and I've verified this exists in Swift indeed)