Clutter backend is disabled in Makefile. X11 backends are producing black still frame when parole paused. I tested clutter and it produce normal image when paused on my system (NVIDIA binary blob). So, can this backend added as an option? (No patch as it can be solved with 1 line alteration)
A commit references this bug: Author: olivierd Date: Sun Mar 15 20:34:08 UTC 2015 New revision: 381358 URL: https://svnweb.freebsd.org/changeset/ports/381358 Log: Unmask CLUTTER option Sometimes, when Clutter backend is used. Parole displays a purple/pink overlay on the video (depends of your video card). PR: 198617 Requested by: Ivan <enitarzi@gmail.com> Changes: head/multimedia/xfce4-parole/Makefile
Clutter backend is now available, thanks for your test.