[mythtv-users] Jittery, jerky, stuttering video (yes, again)

[Jason Elwell]

Have you tried different versions of the ivtv driver?  I had bad luck 
with the 0.1.10.  For me,  0.1.9 works much better.

-Jason


Roger.Little at mchsi.com wrote:

>I absolutely love MythTV (and KnoppMyth) but have 1 issue that is really
>bothering me.  During MythTV playback (and mplayer playback of Myth (or SageTV)
>material) I have jitter problems like what has been described before.  DVD
>playback works perfect in Xine and MPlayer with no jitter.  Here are my system
>specs:
>
>KnoppMyth R4V4.1
>Asus A7N8X-E Deluxe Nforce2 motherboard with MCP-T
>AMD 2600+ Barton
>512MB PC3200
>120GB 7200 RPM drive (with dma enabled)
>Hauppauge PVR-250
>GeForce FX5200 128MB (latest drivers, 6106)
>Infocus X1 DLP projector at 800x600
>
>I have tried using all combinations of the following options and nothing helps:
>
>Deinterlace playback
>Jitter reduction
>Experimental AV sync
>xvMC Decoding
>
>If I change the refresh rate from 60.32 Hz to 59.94 Hz the jitter is very
>different, but still very annoying.  Here is an example, where "-" is normal
>playback and "+" is stuttering playback:
>60.3 Hz ->    --+--+--+--+--+--+
>59.94 Hz ->  ---------++++++++++-----------+++++++
>
>I have the same problem on Windows with SageTV and BeyondTV but can make the
>problem go away by enabling DXVA (Direct-X video acceleration) and HWMC
>(Hardware Motion Compensation) in the mpeg decoder.  But Myth blows away SageTV
>and BeyondTV by far and is what I want to use if possible.
>
>I have read through all posts on this list and on the KnoppMyth message board
>and have tried all suggestions that I could find.  What else can I try?  Maybe
>downgrade the video drivers?  Maybe the jitter reduction and Experimental AV
>sync doesn't work with the latest NVidia drivers?  Or could it be NForce2
>sound-related?  Any help will be greatly appreciated.
>  
>
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