[mythtv-users] Perplexing one - On screens with lots of black playback judder s

Stephen Williams stephen.gw at gmail.com
Wed Jul 6 05:25:35 EDT 2005

On 7/6/05, Barker Thomas <TBARKER at qinetiq.com> wrote:
> This is a weird one, I admit it. I have no idea what it could be. Any
> suggestions much welcomed. 
> Ok, When I am watching TV be it live or recorded and the scene changes to a
> mostly black scene, the video and audio judder. It is only a blackish scene
> which does this.. Normally during advert breaks; 
> My system: 
> Latest svn, (used to do it on 0.18 too) 
> Latest nvidia drivers, complete removal and reinstall just to make sure
> (nforce 2, ie mx4) 
> FC3 
> Sempron 2600 
> Nova-T uk dvb 
> Spdif reroute of all sound to an optical decoder 
> AC3 passthrough is not checked nor is sync with audio 

I'm glad it's not just me, yes I see this too. This is also with UK
DVB (TS mode), in fact i've only seen it for one program (Nip Tuck)
but it does for every episode at all 'fades to black' for advert
breaks plus other dark scenes.

One thing I haven't checked that may be of interest is whether mplayer
displays this behaviour or not. Thomas, just out of interest, do you
have 'use video as timebase' checked or not? This setting could be
related and is probably worth testing.

I can probably supply a short mpeg file that demonstrates this
behaviour if required.


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