[mythtv-users] Fwd: Pixelation/Bad Recordings HDHR Prime -- I am at my wits end

Captain Hook captainhookzero at gmail.com
Tue Aug 27 21:52:01 UTC 2013


On Tue, Aug 27, 2013 at 5:48 PM, Kenni Lund <kenni at kelu.dk> wrote:

>
> Den 27/08/2013 22.57 skrev "Captain Hook" <captainhookzero at gmail.com>:
>
> >
> > Background
> >  I have been having intermittent issues with recording quality with my
> HDHomeRun Prime with Comcast cablecard since the inception of this project.
> I am really remembering why I gave this HTPC nonsense up years ago, but I'm
> already significantly invested in this at this point and I am determined to
> see it through.
> >
> > Issues
> >  Intermittent issues with recordings on MythTV. Some recordings will be
> perfect, others will have pixelation periodically, others will have heavy
> pixelation, yet others will be so bad that the recordings stop during
> playback. The same channel will not behave the same twice--sometimes things
> are fine, other times they are terrible. This seems to happen on any
> channel and do not occur at any particular time of the day or during any
> other operations or recordings on my network.
> >
> > During playback the pixelation occurs at exactly the same points on
> damaged recordings. This pixelation is also present in other frontends that
> I have used as well as playing them in VLC.
> >
> > Screenshot of pixelation:
> > http://s18.postimg.org/uq2tslkzt/Capture_zpsfb6e2c2a.jpg
> >
> > Troubleshooting & Attempts at Resolution Thus Far
> >  Ran packet loss tests--no packet loss
> >  Signal showing 70-100% depending on channel--added Motorola 2 Port
> Signal Booster
> >  Signal now showing 100% signal and 100% quality on channels that have
> shown pixelation--issue still occurs
> >
> > My Setup
> >
> > Backend Hardware
> >  Intel i5 3570k
> >  16GB RAM
> >  Gigabyte GA-Z77-DS3H
> >  Seagate 3TB x 3 (recordings volume)
> >  Seagate 350GB (OS volume)
> >
> > Backend Software
> >  VMware ESXi 5.1 (Free version)
> >  Ubuntu 12.04 LTS
> >  MythTV .26
> >  4 vCPU cores
> >  12 GB of vRAM
> >
> > Frontend Software
> >  Ubuntu 12.04 LTS
> >  MythTV .26
> >  (Have both physical machines and VMs with this setup--pixelation occurs
> identically in the affected recordings as well as through VLC)
> >
> > Any ideas/suggestions would be greatly appreciated.
> >
> >
>
> Have you installed the latest firmware on your HDHR; 20130328? If not, try
> to do that.. That specific firmware works around a bug in MythTV which
> causes pixelations when recording some channels with HDHR (ticket #11475).
>
> Best regards,
> Kenni
>
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>
>
Yes, I have the latest firmware; 20130328.
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