ubuntu版本22.04打开终端，输入以下命令（如果是root用户免sudo）：sudoadd-apt-repositoryppa:rvm/smplayersudoapt-getupdatesudoapt-getinstallsmplayersmtubesmplayer-themessmplayer-skins这一行的作用是下载额外的解码器：sudoapt-getinstallubuntu-restricted-extras