vdr-plugin-skinnopacity from home:balta3:vdr:plugins project
Select Your Operating System
Add repository and install manually
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:balta3:vdr:plugins/15.6/home:balta3:vdr:plugins.repo zypper refresh zypper install vdr-plugin-skinnopacity