After enabling the 'timedmediahandler' and 'zend' roles (note that TimedMediaHandler is currently broken under hhvm, see bug 67929) and uploading some .ogv and .webm files, no video transcode jobs got launched automatically.
Workaround: login with 'vagrant ssh' and manually run extensions/TimedMediaHandler/maintenance/WebVideoJobRunner.php
The TMH puppet role should probably set up the job to run in the background automatically.
Version: unspecified
Severity: normal