[mythtv-users] pixalated live tv images
iitywygms at gmail.com
Fri Oct 28 23:37:18 UTC 2016
On Fri, Oct 28, 2016 at 3:25 PM, Hika van den Hoven <hikavdh at gmail.com>
> Hoi Kevin,
> Saturday, October 29, 2016, 12:03:06 AM, you wrote:
> > On Fri, Oct 28, 2016 at 12:06 AM, Hika van den Hoven <hikavdh at gmail.com>
> > Hoi Kevin,
> > Friday, October 28, 2016, 5:04:07 AM, you wrote:
> >> HI All:
> >> I have a strange issue.
> >> While watching live tv, sometimes the dark area of a live picture will
> become pixalated/sparkly.
> >> This occurs on 3 different frontends with different hardware.
> >> It occurs with live tv and if I rewind live tv and re-watch the
> >> same thing, it still occurs at the same place.
> >> But, if I hit record and watch the recording, the image is fine.?
> >> Ubuntu 16.04.1
> >> MythTV Version : v0.28-76-g7f8f168
> >> NVIDIA-SMI 340.98
> >> Capture is a hdhomerun using cable card. Comcast.
> >> No other issue arises. Sound is fine, cpu usage is low.
> >> Anyone else seeing anything like this?
> > Do you have a Homerun connected over the same networkcard as you use
> > to connect to the backend?
> > I haven't seen this, but if the above is the case, try connecting the
> > homerun through a dedicated networkcard. You have to activate dhcp on
> > that card.
> > Tot mails,
> > Hika mailto:hikavdh at gmail.com
> > Hi:
> > Hdhr is connected to a router that goes to the same card.
> > It seems this occurs after the frontends have shut the screen off.
> > Apparently that behavior is a new feature of 16.04 or myth .28
> > If I power cycle the frontends everything is normal and remains
> > normal until the screen power saver kicks on. Then the
> > pixel/sparkle thing happens after they wake back up.
> > I am going to prevent the screen from powering off. Hopefully that
> resolves this issue.
> > Thank you for the reply.
> Please don't top-post!
> You say and I quote "and if I rewind live tv and re-watch the same
> thing, it still occurs at the same place."
> This in my opinion means it is something happening on the backend
> while processing or storing the livetv stream! But it could get
> triggered by something on the frontend.
> Tot mails,
> Hika mailto:hikavdh at gmail.com
> "Zonder hoop kun je niet leven
> Zonder leven is er geen hoop
> Het eeuwige dilemma
> Zeker als je hoop moet vernietigen om te kunnen overleven!"
> De lerende Mens
Sorry about the top post. I rarely post here and I forget the rules.
It is a strange issue indeed. And yes, what you quoted is true.
I recently updated ubuntu and myth at the same time. So bugs are to be
I have been using the same hardware and configuration on the backend for
the last 4 or 5 years. So I hate to start changing things around if it
worked fine in the past.
A reboot of the frontend solves the problem.
Any idea how to stop the frontends from cutting the video off after sitting
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