[Icecast] ices-kh dropping jack ports unexpectedly

Andy Baxter andy at earthsong.free-online.co.uk
Mon Oct 18 08:06:00 PDT 2004


I've been having a problem where ices-kh (the jack'ified version)
disconnects from its jack input source unexpectedly. This happens mainly
while other jack clients are being started/stopped, or
connected/disconnected, but also at other times (e.g. switching between
different X sessions). I'm planning to do a bit more work on tuning up the
jack setup to see if I can get rid of the problem that way, but it would
be good to know in the meantime if this is a known bug, and whether there
is anything I can do about it.

It happened just now when I connected two other jack sources. There were
two xruns at the same time, of 0.8 and 1.8 msecs, so I'm guessing this
happens when there is an xrun. I've tried increasing the client timeout to
1000 msec, but this doesn't help. I can't increase the buffer size any
more - it's at 2048 and increasing it to 4096 stops ices from starting at
all.

The setup I'm working with is an ecasound session relaying audio between
its input and output ports, with its output connected to all the ices
clients for the different streams we're running. Then I'm
switching the ecasound input between different stream sources (line in,
recorded audio, http relay etc.) I want to be able to do this switching
without breaking the stream, which is why I've set things up this way.





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