[mythtv-users] RE:Tivo output vs MythTV-PC output question

[Jack R Hyde]

That update did a world of good for my nvidia card with a pvr250, pretty 
much eliminating the scrolling problem. I thought this was going to be a 
long standing issue, didn't expect to see it fixed so quickly, at least 
on the pvr250/350.

>
> Update =). Isaac did find some code that can check supported
> cards to see when the refresh cycle completes. I've worked
> out most of the to details to get good results for all of the
> configurations that I can test and this is checked into CVS.
> This gives the best results for nVidia cards and is somewhat
> better for other cards as well. However, Isaac and I are seeing
> very different results for live TV with software encoding.
> Therefore, this needs more testing and will not be the official
> video timing for 0.9.
>
> To use the new timing, go to Setup->Tv Settings->Playback then
> check "Jitter reduction" and "Experimental A/V Sync".
>
> For nVidia, I see less CPU time for playback and virtually no
> jitter for prerecorded and record in progress (provided the
> recording isn't damaged, of course). For live TV I see very
> little jitter. Isaac sees a lot when software encoding live TV
> but it is nearly perfect with his PVR-250. I set up a PVR-250
> last night and playback with the new timing looked very smooth
> with each frontend systems that I tried.
>
> --  bjm
>
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