rpmの準備とgitでffmpegをcloneしてくる sudo yum install nasm git subversion yum-plugin-priorities sudo rpm -ivh http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.i686.rpm vim /etc/yum.repos.d/CentOS-Base.repo sudo y…