我是新手，刚才在摆渡上下了一首歌，mp３的，然后我用音乐播放器却无法打开，导入文件它也没反映，我用电影播放机他说：Totem 无法播放“file:///home/bihui/Desktop/mp3/2.mp3”
There were no decoders found to handle the stream in file "file:///home/bihui/Desktop/mp3/2.mp3", you might need to install the corresponding plugins
这是怎么回事啊？
