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Re: MatrixMixer questions
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Re: MatrixMixer questions


  • Subject: Re: MatrixMixer questions
  • From: "Stefan Werner" <email@hidden>
  • Date: Tue, 2 Dec 2003 13:41:52 +0100
  • Organization: http://freemail.web.de/

Hi,

James McCartney <email@hidden> schrieb am 01.12.03 21:50:44:

> > I don't get an error when I set the
> > AudioStreamBasicDescription of an input to e.g. 6 channels, but after
> > doing that, I can't connect any
> > nodes to its input any more. Trying to establish a connection returns
> > -10865 -
> > kAudioUnitErr_PropertyNotWritable - what's that supposed to mean?
>
> Are you setting the stream format after the unit has already been
> initialized?

I figured it out in the meantime. Yes, I am setting the stream format after initialization, but that
wasn't the problem. Turned out that I forgot to set the stream format for the output of the other
node, after fixing that it worked. The return value I got (PropertyNotWritable) was misleading.

> The MatrixMixer is very good about not doing work that it doesn't have
> to. The additional CPU cost of unused crosspoints is very very tiny.

OK, so then I'll have to set a reasonable max value.

Stefan
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