[linux-dvb] screen flickers with newest drivers

Heikki Manninen hma at iki.fi
Wed Mar 16 07:28:40 CET 2005

On Tue, 2005-03-15 at 11:02 -0700, Vladimir Shved wrote:

> Does anyone know why screen flickers with some of the drivers for FF cards
> when switching channels? I have two machines, one with kernel 2.4.28 and
> drivers from 2004/12/26 where I see no flickering but on another machine
> with latest 2.6.11 kernel w/ CVS drivers the screen flickers when I change
> channels using VDR. On first machine, when you switch channels, picture
> disappears and OSD stays on very reliably and no flickering but on second
> machine the screen flickers, sort of jumps but you can see fragments of OSD
> and it continues until the video comes in. At first I thought it was my TV
> but then I tried three different TVs and even tried it on PC w/ old TV tuner
> card. It might not be big deal but it's very unpleasant for eyes, and just
> does not look good. Is there any way to fix this?

Confirm this. I just updated my VDR box to kernel and VDR to
1.3.22 and this exact same flickering started when switching channels.
This usually happens more often with Conax encrypted channels than FTA
channels. My cards are Hauppauge and Fujitsu-Siemens FF DVB-C's.

Heikki M

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