[PD] mp3cast~ low latency
Richard Lewis
richardlewis at fastmail.co.uk
Mon May 14 17:58:34 CEST 2007
Hello PD-list,
I'm still working on my mp3cast~ project :-)
The final problem (I hope) is that I experience quite considerable latency on
the client-side of around 10-12 seconds. The application is supposed to be
real-time so this latency is quite a problem.
A colleague suggested that it could be Icecast using a fixed size buffer. I
had a look through the Icecast source code but couldn't find anything
hopeful. So I put a message on the Icecast forum and was told to try reducing
the burst-on-connect size to 0. I did this and it didn't seem make any
difference.
Of course, buffering could be the problem, but there are four places where
buffering could occur: 1) in the client media streamer; 2) in the streaming
server output; 3) in the streaming server source/input; and 4) in the source
encoding (in this case, mp3cast~).
I've made some attempts at checking cases 2 and 3. 4 is problematic in that I
can't control what a user's client does. (I can provide documentation,
though).
So I'm trying to check case 4. Google returns four or five hits for "mp3cast~
buffering", one of which is one my previous posts to this list!
Does anyone know how mp3cast~ buffering is controlled and if it is
configurable either by a setting or source code hack?
Cheers,
Richard
--
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Richard Lewis
http://www.richard-lewis.me.uk/
JID: ironchicken at jabber.earth.li
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