[mythtv-users] RE: 0.18.1 DVB-S Stuttering

Derek Conniffe derek at rivertower.ie
Fri Jun 24 14:41:49 UTC 2005


Hi again,

I still haven't got this fixed yet.  I've upgraded to Kernel 2.6.12,
installed the latest stable IVTV (0.2.0-rc3k) and did a make clean, make
distclean, configure, make and make install with Mythtv-0.18.1 (so that
Mythtv would see the new kernel DVB drivers).

Its really weird - the DVB "watch tv" or recording/replaying (both through
the PVR350 output) are really jerky/stuttering.  This problem was not here
with 0.16 (actually I think I was lastly running 0.17 but it was fine too). 

When this is happening uptime is showing very little usage (its watching on
the Nexus-S dvb card now and recording on the PVR350 and uptime is 1.02) and
no strange output in dmesg or messages log file.

Has anyone else come across this problem?  I think I might have to downgrade
back to 0.17.

Thanks,

Derek

-----Original Message-----
From: mythtv-users-bounces at mythtv.org
[mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Derek Conniffe
Sent: 24 June 2005 10:31
To: mythtv-users at mythtv.org
Subject: [mythtv-users] 0.18.1 DVB-S Stuttering

Hi,

I've [almost] successfully upgraded from MythTV 0.16 to 0.18.1 but I have a
new DVB-S "stuttering" problem.

I playback DVB-S recording through a PVR350 output.  I'm using SuSE Linux
9.1 with a 2.6.8 kernel and the DVB drivers from the kernel source.

With the upgrade to MythTV 0.18.1 DVB-S playback - or Live DVB-S watching -
is like a broken CD - its all stuttering which small samples looping before
jumping on to the next set of looping samples - I'd guess maybe 1/10 of a
second loops about 4 times and then jumps on 400ms to the next looping
samples.

I wonder if my problem is the older kernel DVB drivers - I saw a warning
with the MythTV 0.18.1 compile telling me that its ok not to specify the DVB
driver source directory if I'm using kernel DVB drivers with a kernel
version > 2.6.9 I think.  But I choose to ignore this because it compiled
nicely - until it was pointed out to me that it hasn't been recording
CBEEBIES (Children's channels) on satellite correctly this morning!

Thanks for any help,

Derek

--

Derek Conniffe

Rivertower Ltd

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Email: Derek at rivertower.ie

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