Re: [LAU] Zyn and the art of jack audio/midi

From: Atte Andre Jensen <atte.jensen@email-addr-hidden>
Date: Sat Aug 01 2009 - 13:52:44 EEST

cal wrote:

> There's an experimental patch against the 2.4.0 release tarball at
> <http://www.graggrag.com/?q=node/19>.

I played a bit with it, and it seems to work fine. I only selected
patches and played them on the keyboard, though. Someone (Will Godfrey,
perhaps) should stress test it with heavy load and see wht happens.

A thing that struck me as odd: Why do I have to specify my jack
buffersize, when zyn obviously knows what it should be:

[atte@email-addr-hidden ~]$ zynaddsubfx
<snip>
Sample Rate = 48000
Sound Buffer Size = 256 samples
Internal latency = 5.3 ms
ADsynth Oscil.Size = 1024 samples

AudioOut, zynNframes 256, zynSamplerate 48000
Error, zynNframes 256 != jack buffer size 128 => bad
Error, failed to open audio out on 'default'

So instead of me having to go "zynaddsubfx -b 128", the program should
know that the only sane buffersize with the running jack server is 128
and then use that.

I'm not sure if this behaviour is new, but I don't seem to remember this...

-- 
Atte
http://atte.dk   http://modlys.dk   http://virb.com/atte
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Received on Sat Aug 1 16:15:02 2009

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