[mythtv] XvMC studdering

Todd Ignasiak ignasiak at gmail.com
Tue Jan 17 18:06:55 UTC 2006


On 1/17/06, Todd Ignasiak <ignasiak at gmail.com> wrote:
>
>
>
> On 1/17/06, Dave Just <justifiably at cwazy.co.uk> wrote:
> >
> > Could you (or anyone else who has managed to get it working well)
> > share the settings that you use: inc extra audio buffer, aggressive
> > sound card buffering and esp the RingBuffer size compared with RAM on
> > the machine?  I'm still finding it hard to get completely smooth
> > playback on my system (XP 1900, GeForce MX 440, FC4/2.6.14, NV 7676).
>
>
>
> My Playback settings are:
>
> Deinterlace Playback ENABLED, set to "Bob (2x framerate)"
> Preferred MPEG2 Decoder: Standard XvMC
> OpenGL Vertical Sync for timing DISABLED (this caused problems for me when
> enabled with a previous SVN release.  I have not tried it with this release)
> Realtime Priority threads ENABLED
> Use video as timebase ENABLED
> Extra audio buffering ENABLED
>

Also - I didn't modify my ringbuffer from the original settings.

On 16 Jan 2006, at 20:39, Todd Ignasiak wrote:
> >
> > > I hadn't updated my SVN version in a few weeks, and had turned off
> > > XvMC because of a few glitches.     So, I updated it yesterday and
> > > turned XvMC back on.    My initial tests were excellent,  very good
> > > XvMC playback, no stuttering, perfect playback on 1080i and 720p
> > > material.  (In the past, I had been getting some stuttering on 720p
> > > when the OSD came up).
> > >
> > > Maybe some of the changes that Kevin mentioned have helped
> > > this..    My system is: Gentoo x86-64, kernel 2.6.14, NVidia driver
> > > 7676, FX5200 video card,  latest MythTV svn as of last night,
> > > HD3000 and FusionHDTV3 QAM cards.
> > _______________________________________________
> > mythtv-dev mailing list
> > mythtv-dev at mythtv.org
> > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev
> >
>
>
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