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

Kenni Lund kenni at kelu.dk
Tue Aug 27 21:48:27 UTC 2013


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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