[mythtv-users] pixalated live tv images

[Hika van den Hoven]

Hoi Kevin,

Saturday, October 29, 2016, 1:37:18 AM, you wrote:





> On Fri, Oct 28, 2016 at 3:25 PM, Hika van den Hoven <hikavdh at gmail.com> wrote:

> 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> wrote:
>  
 >> 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 expected.


> 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 idle?


> Thank you.


There where this or last week some posts on properly turning of the
sreen-saving.


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