What about kernel hacker Nicolas Pitre's integerized ogg123?

ftp://ftp.arm.linux.org.uk/pub/linux/arm/people/nico/vorbis/

It appears to be under active development, is GPL, and is only behind the Tremor decoder (licensed by Xiph) because they're waiting on the official Vorbis specs to be published.

--Reed (http://jreceiver.sourceforge.net)