Para openSUSE Factory execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:seife:vdrdevel/openSUSE_Factory/home:seife:vdrdevel.repo
zypper refresh
zypper install qv4l2
Para 16.0 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:seife:vdrdevel/16.0/home:seife:vdrdevel.repo
zypper refresh
zypper install qv4l2
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:seife:vdrdevel/15.6/home:seife:vdrdevel.repo
zypper refresh
zypper install qv4l2