[mythtv] playback seems zoomed

[Robert Stanford]

I just updated to latest cvs and both livetv and playback of recorded 
programs are now overscaled verticaly, the top half of the picture takes 
up the whole of the screen.

Mythfrontend outputs

2004-08-12 19:38:39 Opening OSS audio device '/dev/dsp'.
2004-08-12 19:38:39 Audio fragment size: 4096
2004-08-12 19:38:39 Using XV port 105
Found 2 Xinerama Screens.
Using first Xinerama screen, 1280x1024+0+0
X Error: BadMatch (invalid parameter attributes) 8
   Major opcode:  142
   Minor opcode:  14
   Resource id:  0x1cf
Couldn't get the color key color, and we need it.
You likely won't get any video.
2004-08-12 19:38:39 Changing from None to WatchingLiveTV
2004-08-12 19:38:40 dropping back audio_buffer_unused
2004-08-12 19:38:40 dropping back audio_buffer_unused
2004-08-12 19:38:40 dropping back audio_buffer_unused
2004-08-12 19:38:40 dropping back audio_buffer_unused
2004-08-12 19:38:40 dropping back audio_buffer_unused
2004-08-12 19:38:40 dropping back audio_buffer_unused
2004-08-12 19:38:40 dropping back audio_buffer_unused

Is this a bug or a new setting I need to tune?

-- 
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    Robert Stanford
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