This is to test https://doc.tiki.org/PluginHTML with https://www.w3schools.com/html/html5_video.asp

Note: Controls is required on old version of Safari. Muted is preferred now as some browser won't load the video.

Video mp4

Video ogv

Video webm

Other

Exemple found that is supposed to load on Safari (work fine but not with a file from a file gallery).
Seems the type is not required. Slow loading (be patient the first time)