[mythtv-users] HDTV tearing

[mtrax11]

Another Sillyname wrote:
> 
> check the xrandr command....specifically xrandr -s
> 
> On 30/03/2008, mtrax11 <mylists at wilsononline.id.au> wrote:
>>
>>
>>
>>  Brad Fuller-5 wrote:
>>  >
>>  > On Sun, Mar 30, 2008 at 10:51 AM, Yeechang Lee <ylee at pobox.com> wrote:
>>  >> Paul <mylists at wilsononline.id.au> says:
>>  >>  > I have an AMD 3200+ and using a Nvidia 6200 TC,
>>  >>
>>  >>  [...]
>>  >>
>>  >>
>>  >>  > The downside is when there is alot of fast action I find the
>> screen
>>  >>  > starts to tear a bit.
>>  >>
>>  >>  http://www.gossamer-threads.com/lists/mythtv/users/177303#177303
>>  >>  http://www.gossamer-threads.com/lists/mythtv/users/242478#242478
>>  >
>>  > Yes, check out the archives. I have a AMD 3000 with a 5200 and don't
>>  > have any problems unless I'm watching an HD and there are two
>>  > recordings going on simultaneously.
>>  >
>>  > --
>>  > Brad Fuller
>>  > www.bradfuller.com
>>  > _______________________________________________
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>>  > mythtv-users at mythtv.org
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>>  >
>>  >
>>
>>
>>
>> I have done the folllowing
>>  1. checked nvidia-settings and ticked the correct boxes Vsync to Blank
>> etc..
>>  2. added the "UseEvents" option
>>
>>  Now the CPU hovers around 40-50% but I still get tearing on fast camera
>> pans
>>  etc
>>  I'm using resolution :
>>  (II) NVIDIA(0): Virtual screen size determined to be 1920 x 1080
>>
>>  I also did a little experiment with a lower resolution eg "1280x720" and
>> it
>>  appeared to be a smoother playback BUT the screen is underscanned. ie
>> The
>>  Desktop doesn't fill the entire screen.
>>  is there a setting which tells xorg to fill screen with any resolution?
>>
>>  Note my TV supports either 1080i or 480p..
>>
>>  Thanks
>>
>> --
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>>
>>
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> 

the xrandr -s  is not a valid option but I did try the -q
output:
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 1920 x 1080
default connected 1920x1080+0+0 0mm x 0mm
   1920x1080      50.0*
   1280x1024      51.0
   1280x720       52.0
   1024x768       53.0

I also note in the xorg.log:==
(II) Loading extension NV-CONTROL
(**) RandR enabled

I'm not sure what you mean, does Xrandr alter screen size?

thanks
Paul

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