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Re: Enumerating variants of Audio Units
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Re: Enumerating variants of Audio Units


  • Subject: Re: Enumerating variants of Audio Units
  • From: Paul Davis <email@hidden>
  • Date: Thu, 08 Sep 2011 12:47:42 -0400

On Thu, Sep 8, 2011 at 11:36 AM, Eagle Offshore <email@hidden> wrote:
> You could just tell me the call to get the IO configurations you know.

i would have thought this was utterly essential to hosting an AU, so i
assumed you knew about it already.

the property in question is:   kAudioUnitProperty_SupportedNumChannels
a plugin is not required to support this property, but if it does not,
it is expected to deal with any Nin/Nout (note the same N).

i don't call this directly but use CAAudioUnit::GetChannelInfo()

there are docs online about how to interpet the numbers you get back.
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References: 
 >Enumerating variants of Audio Units (From: Eagle Offshore <email@hidden>)
 >Re: Enumerating variants of Audio Units (From: Paul Davis <email@hidden>)
 >Re: Enumerating variants of Audio Units (From: Eagle Offshore <email@hidden>)

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