http://EngageMedia.org is using mediaelement.js via Plone / Plumi (http://plumi.org).
When a user posts a video to Facebook, they can click play to activate the video for the first time. However the controls don't work (except for the fullscreen button). The user cannot click/effect the play/pause button, the scrub bar, or the volume control.
Tested using Mac OS X 10.6.8 / Safari 5.1.5
Using e.g. this video:
Hi there! Cleaning up old issues on the project. Can you reopen if this is still an active issue for you on the latest version? If so, a link to a public Facebook post with the problem would be very helpful. Thanks!