Installing "gstreamer1-libav" for the Parole Media Player
From MediaWiki
What is the parole Media Player?
Parole is a modern simple media player based on the GStreamer framework and written to fit well in the Xfce desktop. Parole features playback of local media files, DVD/CD and live streams. Parole is extensible via plugins.
Source code for Parole can be found on Github: Parole source
How do I install the VideoLAN VLC Media Player?
VLC is packaged at the RPM Fusion Site. First we need to add this repository to NST.
Install The RPM Fusion Repository Into NST
dnf install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm
Install VLC From RPM Fusion Repository
Once the repository is added, we next add VLC. It is that simple!
dnf install vlc