rtmidi from home:simotek:multimedia project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:simotek:multimedia/openSUSE_Tumbleweed/home:simotek:multimedia.repo zypper refresh zypper install rtmidi
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:simotek:multimedia/15.4/home:simotek:multimedia.repo zypper refresh zypper install rtmidi