uaudio patch, configurable buffer size

[Mathew Kanner]

On Mar 08, Kazuhito HONDA wrote:
> Hello,
> 
> `he' is me, isn't he?
> 
> I haven't found that FreeBSD has the sampling rate converter.
> So I have made several ugly solutions for uaudio.
> But when uaudio can use the sampling rate converter, 
> they should be canceled.

	Hi Kazuhito,
	FreeBSD does have a format/sample rate converter in the
kernel, refer to hw.snd.report_soft_formats in the snd(4).  However,
it won't work with uaudio until we probe the capabilities properly.
See my other e-mail to you a couple of minutes ago.
	--Mat