[mythtv-users] Re:RE:Waited 2 seconds... Still... Any more ideas?

[Rex Wheeler]

Just to add a data point, I have been experiencing prebuffering pauses
as well. This started after I installed 0.13. I am using the
pre-compiled binaries (apt-get mythtv-suite)

I haven't been locking up, but I have been getting a lot of prebuffering
pauses (where live tv skips for a fraction of a second every 20 or 30
seconds.) In addition after a while, my audio starts getting garbled.

-----Original Message-----
From: mythtv-users-bounces at mythtv.org
[mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Mark Frey
Sent: Sunday, December 28, 2003 9:53 PM
To: mythtv-users at mythtv.org
Subject: [mythtv-users] Re:RE:Waited 2 seconds... Still... Any more
ideas?

Tony Maro wrote:
>> So the question is why the timeouts for your setup. What
>> settings are you using for live tv? Resolution, encoding, etc.
>>
>
>Well, LiveTV is set to:
>384x480
>RTjpeg
>Quality=200
>MP3
>32000
>Quality 7
>
>It's a frontend/backend combination, but I configured it to use it's
NIC
>address as the master server so that I could set up the frontend on my
>desktop PC as well.
>
>But, I just changed my backend IP to be 127.0.0.1 (so localhost only
>usage, shouldn't go over the NIC) and tried setting it to MPEG4 with a
>bitrate of 1800 and it still froze at about 20 minutes.
>
>The instability after the first freeze appears to be tied to something
>in the backend, because I have to restart it before it stops. Although
>it doesn't _always_ have to be restarted.
>
>I have also just noticed that the audio gets out of sync by about a
half
>second somewhere around 10 to 20 seconds before the freeze.
>
>I just realized that I don't have ALSA support compiled into MythTV and
>have been using OSS all this time, so I'm in the process of recompiling
>right now. To confirm I've done this right, I edit the settings.pro
>file to uncomment the two lines regarding ALSA, then run qmake again
>then make clean and make... Right?

As far as I know. I've been using the straight OSS stuff so far.

I was able to reproduce the freeze myself twice by working my machine
harder
than normal, but still each freeze took more than an hour to manifest.
I'm
trying to repro again with "-v all" for both frontend and backend and
see if
I see anything that gives me a clue in the logs. With your machine and
those
settings you shouldn't be having any performance problems, and up until
you
have the problem you don't seem to have an inordinate number of
prebuffering
pauses which would indicate your hardware was having trouble keeping up.
I
don't know what to tell you. Hopefully I'll hit the problem again and
see
something in the logs that gives me a clue.

-Mark



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