一、添加其他源安装ffmpeg 如果你已经通过默认源安装了请先看第二步卸载 echo 'deb http://www.deb-multimedia.org wheezy main non-free' >> /etc/apt/sources.list wget http://www.deb-multimedia.org/pool/main/d/deb-multimedia-keyring/deb-multimedia-keyring_2016.8.1_all.deb sudo dpkg -i deb-mu…