[vdr] EPIA mpeg2/4 quality on vdr-xine

Tony Grant tony at tgds.net
Mon Oct 1 17:22:24 CEST 2007


Le lundi 01 octobre 2007 à 09:24 +0100, Torgeir Veimo a écrit :
> On Mon, 2007-10-01 at 08:02 +0200, Tony Grant wrote:
> > 
> > > I'm in the throws of buying an EPIA SP8000EG or SP13000 with the
> > > mpeg2/4 accelerator.  Has anyone had experience with these and 16:9
> > > through x-windows?
> > 
> > I have the older M10000 CLE266 and picture quality on VGA out is good.
> > I
> > am at 1440x900. MPEG2 is hardware decompressed and MPEG4 is
> > accelerated on the SP series. 
> 
> I see some banding and pixelization when using the hw mpeg2 decoding on
> a cle266. Do you see similar things? 
> 
> This is with dvb-t material, so it might be due to low bitrate
> transmissions, but my suspicion is that the scaler is using only 8bit
> precision.

I am using DVB-S

I see staircase effect on fast moving closeups (live TV) when I am too
close to the screen. They are not so noticible when sitting at TV
watching distance.

There are no such artifacts when watching DVDs (LOTR battle scenes for
example) which also use HW decoder

Cheers
Tony

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