对于 openSUSE Leap 15.6，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/home:smarty12:libraries/openSUSE_Leap_15.6/home:smarty12:libraries.repo
zypper refresh
zypper install ffmpeg-4
对于 openSUSE Leap 15.5，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/home:smarty12:libraries/openSUSE_Leap_15.5/home:smarty12:libraries.repo
zypper refresh
zypper install ffmpeg-4
对于 openSUSE Leap 15.4，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/home:smarty12:libraries/openSUSE_Leap_15.4/home:smarty12:libraries.repo
zypper refresh
zypper install ffmpeg-4
对于 openSUSE Leap 15.3，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/home:smarty12:libraries/openSUSE_Leap_15.3/home:smarty12:libraries.repo
zypper refresh
zypper install ffmpeg-4