对于 16.0，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/home:michalsrb2:server/16.0/home:michalsrb2:server.repo
zypper refresh
zypper install ffmpeg-4
对于 15.6，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/home:michalsrb2:server/15.6/home:michalsrb2:server.repo
zypper refresh
zypper install ffmpeg-4
对于 15.5，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/home:michalsrb2:server/15.5/home:michalsrb2:server.repo
zypper refresh
zypper install ffmpeg-4