Re: Pinnacle PCTV DVB-S2 Stick (461e) - HD Streams with artefacts

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Rainer Dorsch wrote:
Hi,

I have a Pinnacle PCTV DVB-S2 Stick (461e) and did connect it to a
cubox-i running openelec.

The known issues on

http://linuxtv.org/wiki/index.php/Pinnacle_PCTV_DVB-S2_Stick_%28461e%29

 seem to be gone (at least I did not hit them).

Instead there seems to be another (new?) issue, that HD streams have
artefacts, see

http://forum.kodi.tv/showthread.php?tid=220129

and

https://tvheadend.org/boards/5/topics/19582?r=19584#message-19584

I tried to add that to the wiki, but my registration attempt was
rejected.

Can somebody with write access to
http://linuxtv.org/wiki/index.php/Pinnacle_PCTV_DVB-S2_Stick_%28461e%29
please add the new issue?

Certainly any hint how to solve this issue is welcome.

I added a comment on the tvh forum - will paste here as well in case
anyone is interested -

You could try spinning up you cpu(s) with

nice -19 dd if=/dev/urandom of=/dev/null

If you have multiple cores maybe start more than one.

I have a couple of DVB-T2 PCTV sticks and got some usb/power save/xhci
issues on my h/w.

Above would mostly fix. Rather than do that I found that the issue was
far less if I disabled USB3 in bios to avoid using the xhci driver.

Of course your issue may be totally different - but it's worth a try.

Your symptoms do point to ts packet loss - which I know from my
experience can be at usb level. There are posts on here from the past
where people with PCIE cards also had to do similar.
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