[mythtv-users] Geforce GT710

[IsmoT]

On 5/18/2016 8:35 AM, IsmoT wrote:
 >
 > Just want to share information about this cheap passive cooled card.
 > I have tested it and it performs well with mythtv and vdpau.
 > It can do temporal-spatial deinterlacing with 1080i content 25/30Hz
 > without any dropped frames.
 > It also can do 720p > 1080p scaling with hq scaling enabled
 > I also watch much 480i pal rate programs, and it performs well with
 > temporal-spatial and hq scaling.
 >
 > I changed my old GT210 to this card, because GT210 didn't have enough
 > horsepower to do the hq scaling or temporal-spatial. It was almost
 > working, but had dropped frames time to time (maybe one in a minute or
 > two). I had to use temporal deinterlacer without hq scaling.
 > Difference is easily seen, mostly maybe hq scaling is that matters.
 > Deinterlacer differences are smaller, imho
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I currently have a GT 210 with 1GB. When viewing content from FOX or ABC
in HD, the sound and video are together, but a bit jerky. Would going to
a GT 710 help with this?

First you should check your playback profile. Are you even using vdpau? 
GT210 should do fullhd deinterlacing with temporal deinterlacer without 
jerkiness. Other thing to check is correct framerate. You need modelines 
for all used framerates in xorg.conf (I don't know if new setups do this 
automatically) and also need to enable framerate changing in mythtv.
https://www.mythtv.org/wiki/User_Manual:JudderFree

GT710 will help only if you use temporal-spatial (advanced 2x) 
deinterlacer, or vdpauhqscaling.
In my setup, I didnot have jerkiness even using those with GT210, but 
only occasional frame drops that show up as hiccups in video.
If your hd is interlaced 60Hz, then I don't know if GT210 is capable of 
doing it at all, my content is all PAL, 25/50Hz signal which need little 
less horsepower.

-K
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