[mythtv-users] Audio/video choppy on digital channels
David Lyons
djlyons1 at cox.net
Sat Mar 20 14:14:34 EST 2004
All,
I am running mythtv 0.14 running on a AMD 2400 using a
PVR-250 as my capture card and a G-Force4 MX440 as my output card.
Whenever I try to watch/record Cox digital cable channels (HBO, Encore
etc) the audio and video after a while (5 - 15 minutes) gets very choppy
for a brief period and then clears up only to repeat a few minutes
later.
Exiting out to the myth menu will clear it up for a bit
however it will always come back.
The odd thing is that it never happens with the analog
channels (History,TNT,USA etc..)
Running top when it occurs and when it does not occur. I am
unable to come up with any data that could suggest a possible bottle
neck. System cpu load is between 88 and 100 idle wait times are low..
<snip>
84 processes: 80 sleeping, 4 running, 0 zombie, 0 stopped
CPU states: cpu user nice system irq softirq iowait idle
total 0.0% 0.0% 0.4% 0.0% 0.0% 0.0% 99.6%
Mem: 513872k av, 507364k used, 6508k free, 0k shrd, 15860k
buff
269300k actv, 98640k in_d, 10944k in_c
Swap: 1044216k av, 984k used, 1043232k free 361752k
cached
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME CPU
COMMAND
3352 root 15 0 18996 18M 8552 S 0.1 3.6 0:01 0
mythbackend
1 root 15 0 420 420 372 S 0.0 0.0 0:04 0 init
2 root 15 0 0 0 0 SW 0.0 0.0 0:00 0
keventd
3 root 15 0 0 0 0 SW 0.0 0.0 0:00 0 kapmd
4 root 34 19 0 0 0 SWN 0.0 0.0 0:00 0
ksoftirqd_CPU
9 root 25 0 0 0 0 SW 0.0 0.0 0:00 0
bdflush
5 root 15 0 0 0 0 SW 0.0 0.0 0:00 0 kswapd
<snip>
Does anyone have any suggestions on where to go to help me resolve this
problem?
Thanks
Dave
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