Fedora tvtime requires YUY2 overlay support

[Skunk Worx]

This is a fully up-to-date FC4 (Fedora Core 4) box.

lspci:

01:00.0 VGA compatible controller: VIA Technologies, Inc. VT8378 [S3 
UniChrome] Integrated Video (rev 01)

/var/log/Xorg.0.log:

(II) Loading /usr/X11R6/lib/modules/drivers/via_drv.o
(II) Module via: vendor="X.Org Foundation"
         compiled for 4.3.99.902, module version = 4.1.30
         Module class: X.Org Video Driver
         ABI class: X.Org Video Driver, version 0.7

$ tvtime
Running tvtime 1.0.1.
Reading configuration from /etc/tvtime/tvtime.xml
Reading configuration from /root/.tvtime/tvtime.xml
xvoutput: No XVIDEO port found which supports YUY2 images.

*** tvtime requires hardware YUY2 overlay support from your video card

Is there anything to be done about this? The earliest bug reports about 
YUY2 failing on S3 Unichrome date back to 9/26/2003:

http://forums.viaarena.com/messageview.aspx?catid=28&threadid=45263&highlight_key=y&keyword1=YUY2

TIA,
SW