[mythtv-users] combing problem at high resolutions??

Robert Johnston anaerin at gmail.com
Sun Apr 17 05:30:26 UTC 2005


On 4/16/05, dave at cs.curtin.edu.au <dave at cs.curtin.edu.au> wrote:
> Hi All,
> 
> First of all I am fairly new to myth so it maybe be a setup problem rather
> than bug.
> 
> Here is my setup:
> Athlon 2000 XP @ 2Ghz
> Dell 2405FPW (1920x1200)
> Nvidia FX5200 with latest drivers.
> Dvico FusionHDTV DVB-T Plus
> Debian sarge, kernel 2.6.11.4 with DVB enable patch.
> MythTV from todays CVS as well as previous CVS's
> 
> Everything has been alright(except xmvc crashes) until i started using
> this new 24" screen.
> 
> The problem seems to be when the screen is at 1920x1200 I get a funny
> combing affect. I have tried both using XVMC and no XVMC
> (kerneldeint,quickdnr/denoise3d).
> 
> What's more interesting is when I flick throu the aspect ratios 4/3 and
> 16/9 zoom are fine - but the rest have this weird affect.
> 
> If I use a different resolution (in myth) say 1024/768 its fine.
> 
> It also affects different types of broadcasts, ie 576i/576p/1080i

This "Combing" problem is called "Interlacing".

Try enabling Bob DeInterlacing in the settings, this should clear up
all your problems.
-- 
Robert "Anaerin" Johnston


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