[mythtv-users] Mythtv playback quality poll

resoli at tiscali.it resoli at tiscali.it
Thu Jun 17 04:28:32 EDT 2004


Hi all,

After a lot of trial and errors I finally have a working mythtv 0.15.1 
splitted frontend-backend setup.

Nevertheless, I am quite disappointed about the quality of what i see on
my
old 25" Sony Trinitron: standard tv looks a lot better, firstly in terms
of image crispness
and then of motion fluidity (ther is no evidence of frame dropping, anyway).

Hardware:
My frontend is an EPIA-M 10K (hw decoding enabled), backend is a Celeron
1GHz with 
PVR-250 tuner-encoder. 100MB full-duplex ethernet in between. Im using the
EPIA s-video tv out.

Software:
I am running epia-sources-2.4.25-r2 kernel and xfree-unichrome-4.4.0-r16
from epia.kalf.org
and libddmpeg-1.6.

I capture  720x576 mpeg2 @ 4500/6000 (I tried also at higher bitrates).
At this resolution
and bitrate mythtv software playback cannot keep up on my EPIA (thanks Jelle
for pointing
this out), so I am forced to use hw-decoding.

Here some thoughts about this:
1) I was initially suspecting the quality of EPIA tv out, but DVD playback
via xine looks good,
and using a standard pc monitor does not change quality substantially (xine
dvd playback
is spectacular on a standard pc montor).

2) Is a hw decoding lacks of quality problem?

3) Using hw decoding, playback is mirrored on standard console (making it
unusable), is it normal
behaviour or something wrong in my setup?  


Is someoune  achieving a mythtv playback substantially not distinguishable
from standard 
tv broadcast with hardware similar to mine? 

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