Lost ability to play mp3 files with Amarok

It's actually a problem with both Amarok (1.3.7) and XMMS (1.2.10), it appears. I previously had the ability with SUSE 10 to play mp3 files in both apps, but I can no longer do this. I had noticed that I had only the aRtsd engine for amarok, so I (re)installed gstreamer-engine and others, but still cannot play mp3 files. Haven't tried ogg as I don't have any right now. Anyone else having issues of late, or know what might be causing it? Looks like I have all the required packages. Thanks.