gstreamer-plugins-qt5 from openSUSE:Backports:SLE-15-SP1 project
Selecione seu sistema operacional
Adicionar repositório e instalar manualmente
Para standard execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Backports:SLE-15-SP1/standard/openSUSE:Backports:SLE-15-SP1.repo zypper refresh zypper install gstreamer-plugins-qt5