[Icecast] Re: cpu usage for ices and oggenc

Andy Baxter andy at earthsong.free-online.co.uk
Wed Oct 13 10:40:30 PDT 2004


On Wed, 13 Oct 2004 18:11:09 +0100, Andy Baxter wrote:

> I'm running ices-kh to stream from jack at 64kbps, and also using oggenc
> (with ecasound via jack) to record the audio to disk at the same time.
> This is also running at 64kbps.
> 
> ices is using virtually no cpu (0.0%), but oggenc is using 15-16%. I can't
> see why there should be such a difference - both are recording the same
> audio stream in real time at the same bitrate. oggenc is getting its input
> as a raw audio pipe from ecasound. I checked with ldd, and both are using
> the same version of libvorbisenc.
> 
> Why is this happening?

P.S. I know you can record streams from ices, or dump the stream from
icecast, but the scripting for splitting the stream into individual shows
is simpler using the ecasound/oggenc method, so I wanted to try using
that.




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