I have 1.mp3, 2.mp3, 3.mp3 How to contact them together to generate a new mp3 file? Could you give me some direction to do it? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/gstreamer-devel/attachments/20150114/b8dcd2d7/attachment-0001.html>