[mythtv-users] "NVP: prebuffering pause" in mythfrontend.log

[nik gibson]

I now get some additional errors in the frontend log, I'm wondering if
the XvMCTex: Init failed has anything to do with it:

2006-11-27 15:40:14.162 VideoOutputXv: XvMCTex: Init failed
2006-11-27 15:40:14.163 VideoOutputXv: XvMC Adaptor Name: 'NV17 Video Texture'
2006-11-27 15:40:15.962 TV: Changing from None to WatchingPreRecorded
2006-11-27 15:40:15.966 Realtime priority would require SUID as root.
2006-11-27 15:40:16.107 Video timing method: USleep with busy wait
2006-11-27 15:40:16.140 VideoOutputXv Error: ProcessFrameXvMC: Failed
to get OSD lock
2006-11-27 15:40:16.159 VideoOutputXv Error: ProcessFrameXvMC: Failed
to get OSD lock


On 11/27/06, nik gibson <nik.gibson at gmail.com> wrote:
> I just did a complete re-install and upgraded from FC 5 to FC 6 and I
> still have the same problem.  I can't find anything on google, what
> could be causing this?
>
> On 11/27/06, Michael Tiller <michael.tiller at gmail.com> wrote:
> > On 11/27/06, Tom Lichti <tom at redpepperracing.com> wrote:
> > > Michael Tiller wrote:
> > > > I have exactly the same issue (Xv errors followed by prebuffereing
> > > > pauses).  I would also really appreciate any advice people have.
> > > >
> > > > In my case, my CPU load is around 93-96% (despite XvMC being on, as
> > > > evidenced by the gray OSD) during HD playback.  I'm running Ubuntu 6.10
> > > > on a 2.8 GHz Pentium D with 1.2 Gb of RAM.
> > > >
> > > > --
> > > > Mike
> > >
> > > I was just trying this last night and had the same problem. 99% CPU
> > > utilisation, same errors in the log, with a dual core Pentium D 2.8GHz
> > > 512GB RAM, on CentOS 4.4, GigE network, QuadroFX video card. This should
> > > be PLENTY of hardware to play this file.
> >
> > I would have thought so although with all the talk about XvMC this list I
> > was puzzled.  I just got my HDHomerun and if I send the stream to my Windows
> > P4 2.4GHz desktop machine it renders the direct HD stream without any
> > problems (I didn't check the CPU utilization under Windows).  I don't
> > understand why there is so much fuss about HD decoding under Linux (but I'm
> > pretty ignorant :-).
> >
> > > Without XvMC, I get about 65% CPU, with BOB de-int enabled, and it plays
> > perfectly.
> >
> > Well, my situation is different.  I still get 99% CPU utilization without
> > XvMC.  At least with XvMC it seems like the video is running at (or close
> > to) real time whereas without it the video looks like slo-mo.
> >
> > I'm totally bummed that my Myth system can't seem to handle HD.  I'm still
> > sorting through all the different advice on the mailing list but it is still
> > surprising to me that this machine strains so much under the HD load whereas
> > my Windows machine (which I did *nothing* to optimize) handles it so easily.
> >
> > > Tom
> >
> >
> > So far this thread is long on questions and short on answers. :-)
> >
> > --
> > Mike
> >
> >
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> >
> >
> >
>