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Re: audio unit input and output channel count specs

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Re: audio unit input and output channel count specs

Subject: Re: audio unit input and output channel count specs
From: Paul Davis <email@hidden>
Date: Fri, 22 Jun 2012 15:24:10 -0400

On Fri, Jun 22, 2012 at 2:23 PM, Kevin Dixon <email@hidden> wrote:

sounds like you are talking about an "n-to-n" audio unit
https://developer.apple.com/library/mac/#documentation/MusicAudio/Conceptual/AudioUnitProgrammingGuide/AudioUnitClassHierarchy/AudioUnitClassHierarchy.html
Look at the source code for the AUEffectBase to see how this is implemented

i'm familiar with the specs.

my point was that the specs don't appear to provide a way to specify either of the two cases i was aking about. i know how to define "0..N" for input and output, and i know how to define "0..8" for input and "0..8" for output. but if i had a plugin that *must* have at least 1 input, or must have matched inputs and outputs, i can't see any way for the plugin to communicate that to the host.

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References:
	>audio unit input and output channel count specs (From: Paul Davis <email@hidden>)
	>Re: audio unit input and output channel count specs (From: Kevin Dixon <email@hidden>)

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