On 4/16/07, Bernd Eckenfels <[email protected]> wrote:
In article <[email protected]> you wrote:
> I meant that the central requirement on the design and implementation of
> audio subsystems is an (ideally guaranteed) bounded maximum of
> latencies; and that's exactly the major point where I heard that there
> are problems with ALSA driver components in userspace. You were talking
> about throughput of storage systems, for which latencies of the software
> part of the stack do not play such a central role. Therefore your
> comparison appeared off the mark to me.
Unfortunatelle Latency is critical for a number of critical applications
like databases or file based transaction systems (mail, news) - mainly the
users of fsync().
Whether you mix audio in userspace or kernel does not impact latency -
you still need to schedule the application playing audio every N
milliseconds or there will be dropouts. I don't see where audio
mixing issue has any relevance to this thread.
Lee
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