Red Hat Bugzilla – Bug 132428
speex support (package speex-xmms)
Last modified: 2014-03-16 22:48:12 EDT
xmms-1.2.10-6 does not support speex playback and there is no plugin
There is apparently a plugin here:
I'm not really interested in taking on more xmms stuff though.
This is currently in Fedora Extras; I doubt it will be added to Core.