tv time installtion problem

[gskumar]

Hi,
I am new to Ubuntu. I wanted to install tv time and followed all steps given
at
Linux Configure Pinnacle PCTV Card to Watch Television with saa7134 /
saa7134-alas Driver<http://www.cyberciti.biz/tips/debian-ubuntu-linux-configure-pinnacle-pctv-tuner.html>
But unfortunately in 5th step i got

gsk at gsk-desktop:~$ tvtime &
Running tvtime 1.0.2.
Reading configuration from /etc/tvtime/tvtime.xml
Reading configuration from /home/gsk/.tvtime/tvtime.xml
[1] 3759
gsk at gsk-desktop:~$ xvoutput: No XVIDEO port found which supports YUY2
images.

*** tvtime requires hardware YUY2 overlay support from your video card
*** driver.  If you are using an older NVIDIA card (TNT2), then
*** this capability is only available with their binary drivers.
*** For some ATI cards, this feature may be found in the experimental
*** GATOS drivers: http://gatos.souceforge.net/
*** If unsure, please check with your distribution to see if your
*** X driver supports hardware overlay surfaces.
 Pl.help to solve this problem. I get flashing screen , hence not able to
configure.
Kumar G S
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