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