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Date: Tue, 13 Sep 2011 12:39:19 -0700
From: John-Mark Gurney <jmg@funkthat.com>
To: Victor Sudakov <vas@mpeks.tomsk.su>
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Cc: freebsd-multimedia@freebsd.org
Subject: Re: /dev/dsp to RTP
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Victor Sudakov wrote this message on Mon, Sep 12, 2011 at 14:43 +0700:
> Excuse me for asking in this developers' list, but I have tried
> freebsd-questions and Google without much success.
> 
> What software can I use to obtain sound from /dev/dsp and multicast it
> into the network? I need no sophisticated codecs, HTTP interfaces etc.
> A plain 8-bit PCM sound that I could listen to with some multicast RTP
> client like VLC would do.
> 
> Thanks in advance for any input.

You could look at rat:
http://mediatools.cs.ucl.ac.uk/nets/mmedia/wiki/RatWiki#RobustAudioToolRAT

It does contain a GUI though.  It's be quite a few years since I used
it though...

Other possibilities are ffmpeg or vlcserver.

Good luck.

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."