Subject: Re: [linux-audio-dev] XAP and Event Outputs
From: Steve Harris (S.W.Harris_AT_ecs.soton.ac.uk)
Date: Mon Dec 09 2002 - 19:59:53 EET
On Mon, Dec 09, 2002 at 05:47:47PM +0100, David Olofson wrote:
> * Hosts may chose whatever buffer size they want.
>
> * You may be running off-line, in which case you
> could potentially run with "huge" buffers.
>
> It still doesn't matter? I do believe concistency matters in serious
> audio applications, so latency has to be *defined* - even if not
> incredibly low.
Sure, thats why I'm confused my your suggestion of changing the buffer
size inside loops.
> Well, one would assume that the host forbids feedback loops without
> delay elements, so at least, the user cannot do this without being
> aware of what's going on, to some extent. If the buffer size goes
> below some sensible number, the host could warn the user about
> potential CPU load increase. ("Read docs for more info".)
My experience is that this isn't neccesary. Genrally nothing really
supprising happens in fedback systems, unless the blocksize is very large.
- Steve
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