[mythtv-users] how to set up xorg.conf for overscan

Eyal Lebedinsky eyal at eyal.emu.id.au
Thu Oct 25 22:16:04 UTC 2007


I am rather sure that this only affects tv-out (I asked about DVI).
Nevertheless, I did try this early in my research and it had no effect.

Thanks

Ma Begaj wrote:
> just put in Screen part something like this
> Option "TVOverScan" "0.55"
> 
> and restart X. Test the different values (between 0 and 1)
> 
> M.
> 
> 
> 2007/10/25, Eyal Lebedinsky <eyal at eyal.emu.id.au>:
>> LG lied through  their teeth when they said that their HDTV (RT-52SZ8R)
>> is native 1280x720 - it trims a significant part of all edges, enough
>> to make if difficult to use in text mode. It simply never displays this
>> many pixels.
>>
>> This cannot be adjusted, not even from the special technician menus.
>>
>> I want to tell xorg.conf to send a 1280x720 DVI signal but use a smaller
>> area as the drawable. I do not want to just tell the wm to void the edges
>> or to set mythtv to a window (I know how to do that).
>>
>> In effect I want to tell it that my TV over-scans, and it should
>> letterbox the screen and present a smaller area to all the applications.
>>
>> Using DVI it seems that all the blanking information is simply ignored
>> so one cannot play with that, so letterboxing is the only option.
>>
>> TIA
>>
>> --
>> Eyal Lebedinsky (eyal at eyal.emu.id.au)

-- 
Eyal Lebedinsky	(eyal at eyal.emu.id.au)


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