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Re: Audio Unit ioConfigs
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Re: Audio Unit ioConfigs


  • Subject: Re: Audio Unit ioConfigs
  • From: tahome izwah <email@hidden>
  • Date: Mon, 14 Dec 2009 17:08:16 +0100

I don't think that you can prevent this from happening - at least I
never found a way to do it. Also, in order for a [1, 2] config to work
you need to support [2, 2] as well, otherwise your AU will crash on
init.

--th

2009/12/14 Chris Santoro <email@hidden>:
>
> I'm trying to implement an audio unit (type aufx) with the ability for
> mono->stereo and stereo->stereo, but NOT mono->mono.
>
> My AU subclasses from AUMIDIEffectBase and properly overrides the
> SupportedNumChannels function.
>
> If I run the AU Validation tool on it, it shows the proper channel handling
> capabilities.
>
> //-------------------------------------------------------
> Reported Channel Capabilities (explicit):
>       [1, 2]  [2, 2]
>
> Input/Output Channel Handling:
> 1-1   1-2   1-4   1-5   1-6   1-7   1-8   2-2   2-4   2-5   2-6   2-7
> 2-8   4-4   4-5   5-5   6-6   7-7   8-8
>       X                                   X
> //-------------------------------------------------------
>
> However, both AULab and Logic 8 show a mono->mono option, even though it
> isn't there.
>
> Is this a bug in Logic or am I doing something wrong? Has anyone else
> experienced problems with this? I've also tried every combination of
> removing/restarting/rebuilding I could think of, in case the component
> manager might be caching out-of-date information.
>
> Best,
> Chris
>
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  • Follow-Ups:
    • Re: Audio Unit ioConfigs
      • From: William Stewart <email@hidden>
References: 
 >Audio Unit ioConfigs (From: Chris Santoro <email@hidden>)

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