[mythtv-users] Re: mpeg2 playback glitches
Kenneth Aafløy
ke-aa at frisurf.no
Tue Jul 22 21:58:28 EDT 2003
Hi!
Just wanted to let you know that I also have this glitch in display from
time to time, but as I mostley watch normal programme, I don't notice it
that much (and I'm dealing with other, more urgent issues right now).
I'm using RedHat9 on a nVidia nForce 2 board with onboard GF4MX. Display
drivers from nVidia. My recording hardware is Hauppauge Nexus-S (DVB-S).
So the problem might be located in the software decoder that MythTV uses.
Kenneth.
----- Original Message -----
From: Steven J. Finnegan
To: mythtv-users at snowman.net
Sent: Tuesday, July 22, 2003 8:47 PM
Subject: [mythtv-users] Re: mpeg2 playback glitches
I am having a similar problem with my PVR-250/350 system. This is most
evident when watching a channel with a "crawl", like CNBC. The crawl will
'jerk' at least once per second (a very irregular thing). I can also see
this with a camera pan -- it shows up as what I can only describe as a
'skewed pan'.
Specifically, which version of the firmware are you using? I have Encoder FW
Version 2.03.207, and Decoder FW Version 2.02.001 (which I presume is not
being used). The version numbers are in the first few bytes of the file.
Looking at the site you mention, they have encoder version 2.03.207, which
matches mine, and 2.03.021, who's number would imply an earlier version, but
has a later date. So I am somewhat confused as to which one I should be
using.
Also, I presume all you did was to extract the contents of these file(s) to
your /lib/modules directory, and rebooted? The firmware gets downloaded each
time the driver loads?
Thanks,
sjf
From: Curtis Stanford <curtis at stanfordcomputing.com>
Precedence: list
Subject: Re: [mythtv-users] mpeg2 playback glitches
Date: Mon, 21 Jul 2003 17:35:45 -0600
To: Discussion about mythtv <mythtv-users at snowman.net>
References: <200307211042.57017.curtis at stanfordcomputing.com>
<200307211249.53674.ijr at po.cwru.edu>
<200307211630.34708.curtis at stanfordcomputing.com>
In-Reply-To: <200307211630.34708.curtis at stanfordcomputing.com>
Reply-To: Discussion about mythtv <mythtv-users at snowman.net>
Message-ID: <200307211735.45484.curtis at stanfordcomputing.com>
Content-Type: text/plain;
charset="iso-8859-1"
MIME-Version: 1.0
Message: 4
Oops, spoke too soon. Still there, although not as often. Do any other
PVR-250
owners see this?
On July 21, 2003 04:30 pm, Curtis Stanford wrote:
> Cool! I found a site with images of the firmware, downloaded the latest
and
> reloaded. Seems to have taken care of the problem...
>
> Thanks Isaac!
>
> On July 21, 2003 10:49 am, Isaac Richards wrote:
> > On Monday 21 July 2003 12:42 pm, Curtis Stanford wrote:
> > > Hey all, I have to say Mythtv is working pretty well for me right now.
> > > I am noticing some minor glitches in mpeg2 playback (recorded on the
> > > backend through a PVR-250). Once in a while (maybe once or twice a
> > > minute) I get a glitchy frame in the playback. It looks like it's a
> > > proper frame just offset by a certain amount. This happens in live TV
> > > mode and watching recordings.
> > >
> > > Just wondering if this is a known problem or if it's my hardware or
> > > setup.
> >
> > Sounds similar to a bug in the pvr-250 firmware that was discussed a bit
> > on the ivtv-devel list last (or before?) month. Might want to try a
> > different firmware revision.
> >
> > Isaac
***************************************************************
Steven J. Finnegan, President
Controlsoft Corporation
Phone: (760) 747-5632
WebSite: www.controlsoftcorp.com
E-mail: sjf at controlsoftcorp.com
***************************************************************
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