[asterisk-users] buffer-issue when piping live-streams into musiconhold

[Michael Kamleitner]

thx a lot russel...your hack actually works!! :)

Meanwhile I've found something about the musiconhold-conf-option
"cachertclasses", which might help in starting a separate instance for every
caller. however, that didn't really work for me... probably this option only
works for mode=files?!

http://www.asterisk.org/doxygen/trunk/Config_moh.html
http://lists.digium.com/pipermail/asterisk-commits/2007-November/017911.html

anyway, thx a lot for your suggestions :)

regards,
michael


On Jan 17, 2008 9:52 PM, Russell Bryant <russell at digium.com> wrote:

> Michael Kamleitner wrote:
> > 10:00 I'm calling the pbx, musiconhold starts correctly to play the
> > live-stream (almost live, with very small delay) - that's OK.
> > 10:01 I hangup.
> >
> > -- than I pause for 20 min --
> >
> > 10:20 I'm calling a second time. However moh now doesn't stream live,
> but
> > starts to continue playing the stream from 10:01. This goes on for about
> > 30secs, then the replay stops for a second and continues at the correct
> > position (once again, rather "live"). along I get this message at the
> > console:
>
> <snip>
>
> > musiconhold.conf:
> >
> > [default]
> > mode=custom
> > application=/etc/asterisk/mohstream.sh
> >
> > mohstream.sh
> >
> > #!/bin/bash
> > /usr/bin/wget -q -O - http://my.stream.com:8000 | /usr/bin/madplay -Q -z
> -o
> > raw:- --mono -R 8000 -a -12 -
>
> Most players don't work quite correctly with Asterisk MOH.  For it to work
> the
> way you expect, the player you are using must throw away the audio when
> Asterisk
> isn't currently reading from the stream.  There was a magic version of
> mpg123
> (0.59r IIRC) that did that, and that is why it was the recommended
> version.
>
> If you're reading from a raw TCP stream, then you can use the small
> streamplayer
> utility included with Asterisk.  Otherwise, I don't really have a good
> suggestion for you right now.  I suppose that you could use some sort of
> hack to
> ensure that music on hold is always playing so that the stream is being
> serviced.
>
> extensions.conf:
>
> [moh_hack]
>
> exten => hack,1,Answer
> exten => hack,n,StartMusicOnHold(default)
> exten => hack,n,While(1)
> exten => hack,n,Wait(300)
> exten => hack,n,EndWhile()
>
> *CLI> originate Local/hack at moh_hack application Echo
>
> --
> Russell Bryant
> Senior Software Engineer
> Open Source Team Lead
> Digium, Inc.
>
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-- 
Mag. Michael Kamleitner
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