[linux-audio-dev] XAP and Event Outputs

Steve Harris S.W.Harris at ecs.soton.ac.uk
Mon Dec 9 13:05:01 UTC 2002


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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