[mythtv-users] FC5 VIA XvMC What Am I Missing?

[Axel Thimm]

On Thu, Jul 06, 2006 at 10:51:21PM -0400, Jake Thompson wrote:
> Ok, disabling audio and the video plays fine, is this an ALSA problem, I am
> resampling to 4800bps since I am using SPDIF passthrough, could this be the
> cause of the problem?

do you want to try out alsa-driver 1.0.12rc1 on it, maybe it fixes
it. There are 1.0.12rc1 kmdls for FC5 at ATrpms (in the testing
repo). If they don't serve the pupose you can easily remove them
again.

> On 7/6/06, Calin Brabandt <cbrabandt at yahoo.com> wrote:
> >
> >Jake,
> >
> >You say you're on FC5 but 2.6.16-1.2111 was an FC4
> >kernel update.  Did you install it in FC5?  I'd be
> >happy to find ANY kernel or fix for the stutters with
> >the Openchrome/Unichrome Pro chipset.
> >
> >Also, have you tried disabling the audio (just use
> >/dev/null or some other nonsense in Setup >> Playback.
> >I find my video is perfectly smooth when Myth doesn't
> >connect to an audio device.
> >
> >Did you compile DRM as described on the Openchrome
> >website?  I've not had the best luck with 2.6.17 and
> >DRM.  It locks on shutdown with FC5-64 and doesn't
> >work at all with FC5-32.
> >
> >-Cal
> >
> >> Date: Thu, 6 Jul 2006 09:24:19 -0400
> >> From: "Jake Thompson" <jake at jakethompson.com>
> >> Subject: [mythtv-users] FC5 VIA XvMC What Am I
> >Missing?
> >> To: Openchrome <openchrome-users at openchrome.org>,
> >"ATrpms user list"
> >>       <atrpms-users at atrpms.net>,      "Discussion about
> >mythtv"
> >>       <mythtv-users at mythtv.org>
> >> Message-ID:
> >>
> ><8dd7baa90607060624l7caaedfbq694732360ae25009 at mail.gmail.com>
> >> Content-Type: text/plain; charset="iso-8859-1"
> >>
> >> Hi All,
> >> This is frustrating and I cannot seem to figure out
> >what the problem
> >> is, I
> >> cannot be sure if the problem is coming with the
> >video driver from
> >> openchrome or a problem with the myth distribution
> >from atrpms or a
> >> problem
> >> with myth itself.
> >>
> >> So here is the problem
> >> I have FC5 running with 2.6.16-1.2111, I have
> >upgraded to the latest
> >> couple
> >> of kernels and I see the problem with all kernels
> >but the
> >> 2.6.16-1.2111version.
> >>
> >> When playing back MPEG2 video via myth, I am getting
> >stutter, that is
> >> the
> >> audio and video seem to stop for a split second,
> >then seed up for a
> >> split
> >> second.
> >>
> >> I have compiled the latest DRM and Openchrome driver
> >and instlaled
> >> those, I
> >> have made double sure that I removed all traces of
> >the older drivers.
> >>
> >> Currently if I switch to the newer
> >kernel(2.6.17-1.2139) I get the
> >> stutter,
> >> but when I switch back to the previous kernel it is
> >all ok.  So, the
> >> version
> >> of openchrome has stayed the same, the only thing I
> >can think of that
> >> is
> >> different is the DRM modules in the kernel.
> >>
> >> When I get the skipping I see:
> >> 2006-07-05 19:53:06.455 NVP: prebuffering pause
> >> 2006-07-05 19:53:07.705 WriteAudio: buffer underrun
> >> 2006-07-05 19:53:08.868 WriteAudio: buffer underrun
> >> 2006-07-05 19:53:09.520 WriteAudio: buffer underrun
> >> 2006-07-05 19:53:11.832 WriteAudio: buffer underrun
> >> 2006-07-05 19:53:12.544 WriteAudio: buffer underrun
> >> 2006-07-05 19:53:13.188 WriteAudio: buffer underrun
> >> 2006-07-05 19:53:18.366 WriteAudio: buffer underrun
> >>
> >> Throughout the myth frontend log.
> >>
> >> Also, when I use Xine to play a DVD or any video it
> >locks up.
> >>
> >> When running with the older kernel, this all works
> >fine.
> >>
> >> I am not sure what else to describe, or what other
> >information to
> >> include.
> >>
> >> Any and all help would be appreciated, and sorry for
> >the cross post.
> >>
> >> -Jake
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> >
> >
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-- 
Axel.Thimm at ATrpms.net
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