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http://dev.sourcefabric.org/browse/LS-607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=21028#action_21028
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David Baelde commented on LS-607:
---------------------------------
It's quite interesting/surprising that you get "Trying to recover" but not
"Underrun!". In any case this looks like a synchronization issue: when
liquidsoap looses synchro with ALSA, it results in glitches, silence. Usually,
we can recover from those situations a little better.
So, we can split the problem in two. (1) Why does it not recover nicely? (2)
What causes the loss of synchronization? We can try to fix the two or only one
of them ;) for example, if the cause is a too intensive encoding process, or
network lags when sending data to icecast, a clock might ease things.
> blank is streamed...
> --------------------
>
> Key: LS-607
> URL: http://dev.sourcefabric.org/browse/LS-607
> Project: Liquidsoap
> Issue Type: Bug
> Components: Liquidsoap
> Affects Versions: 1.0
> Environment: ubuntu 11.10 server, liquidsoap 1.0.0 compiled on the
> ubuntu, a terratek phase 22 soundcard
> Reporter: jean duffas
> Priority: Critical
>
> hello,
> I use alsa to get the input of my sound cast (a Phase 22) and stream it to an
> icecast server.
> after something like 6 hours, it fails streaming sound, blank is streamed
> instead (I still have sound on my input sound card) the process is 101 % CPU
> but I have 2 cores so it use 50% CPU ...but does it use all the resources of
> on of the 2 cores ?...
> the blank is clipping (I can heard some "clics" in the stream)
> if I restart liquid soap everything is ok again.
> in log I only notice lots of :
> "2012/01/07 12:03:45 [src_4720:2] Trying to recover..
> 2012/01/07 12:03:45 [clock.wallclock_main:2] We must catchup 1.62 seconds!"
> but noting else.
> one more thing, I use 1.0.0 version on ubuntu 11.10 server.
> jean duffas
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