轉載:http://www.cnblogs.com/livepencil/archive/2010/02/15/1668550.html html
聽說全部版本的Linux由於版權的緣由,默認都沒有安裝mp3encoder。要enable mp3,須要安裝以下兩個package: 數據庫
gstreamer-plugins-bad #contains plug-ins which have license issues(not LGPL), and also not fully-tested. spa
gstreamer-plugins-ugly #well-written plug-ins which have license issues (not LGPL). code
不過默認的yum源裏面並無這兩個package。首先咱們要安裝RpmForge-release這個package來添加yum的repo: htm
$ wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.1-1.el5.rf.i386.rpm blog
若是版本不對,可以在http://dag.wieers.com/packages/rpmforge-release/ 找到一系列的RpmForge-release包。 ci
我使用的是:http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.i686.rpm get
下一步請安裝DAG的GPG key: it
rpm --import http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt test
這一步是向本地RPM的數據庫中添加DAG的public key。有了DAG的public key咱們就能夠驗證來自DAG的package的完整性了。
More能夠經過命令rpm -qa gpg-pubkey*來列出本地RPM數據庫中導入的public keys。若是要刪除某個publickey,使用rpm -e gpg-pubkey-<ID>命令。
驗證下載的包的完整性:
rpm -K rpmforge-release-0.5.1-1.el5.rf.*.rpm
rpm -i rpmforge-release-0.5.1-1.el5.rf.*.rpm
如今你應該能夠經過yum找到gstreamer-plugins-bad和ugly的包了:
yum search gstreamer-plugins-bad