Qt uses an ancient version of gstreamer for multimedia on linux platform
therefore qtmutimedia usually does not work on linux. Perhaps this has been
fixed on newer version of Qt, but linux jqt is linked against Qt 5.3 which is
what provided by jessie - the current stable version of debian. You
Fri Aug 11 12:00:27 EDT 2017
pinebook:~ ed$ ldd --version
ldd (Ubuntu GLIBC 2.23-0ubuntu9) 2.23
pinebook:~ ed$ uname -a
Linux pinebook 3.10.105-bsp-1.2-ayufan-77 #1 SMP PREEMPT Sun Jul 9
12:09:30 UTC 2017 aarch64 aarch64 aarch64 GNU/Linux
jqt -> Help -> about
Engine: j806/j64/raspberry
Beta:
A beta version for linux arm64 jqt full
(jqt-raspi-64.tar.gz) is available on
http://www.jsoftware.com/download/j806/qtide/
installation procedure is similar to the slim version.
The full may require more Qt modules such as
webkit multimedia websocket in order to run.
Please test and report