mplayer fails to play wma stream from akami

[AD5XJ]

Binary package hint: firefox-3.5

The mplayer-mozilla plugin has worked on this stream before but now (without any known update) will not stream audio source. Other wma type video and audio will display. The browser continues to request a plugin after starting mplayer and connecting to host.
Re-installation of mplayer and plugin makes no difference.

ProblemType: Bug
Architecture: i386
Date: Wed Nov 4 10:05:18 2009
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
Package: firefox-3.5 3.5.4+nobinonly-0ubuntu0.9.10.1
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: firefox-3.5
Uname: Linux 2.6.31-14-generic i686

[AD5XJ (ad5xj)]

Same is true for any mms type stream.