Hi --I'm using VLC 2.2.0 (recently rolled back from 2.2.1) on OS X 10.10.3. Hardware is a late 2014 Mac Mini with max CPU/RAM. I typically play movies through HDMI to a projector. Movies are a variety of formats, mostly .avi, .mkv, .mp4. The problem is at random times during the viewing of a video t...