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I/O support issue
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I/O support issue


  • Subject: I/O support issue
  • From: Howard Moon <email@hidden>
  • Date: Thu, 30 Sep 2004 13:24:59 -0700

Hi,

I'm trying to get a audio unit to support mono only, but I'm having trouble doing so. I must be missing something somewhere. I'm returning just the single pair {1,1} for the kAudioUnitProperty_SupportedNumChannels property, but that doesn't seem to be sufficient. My audio unit still shows up on Stereo tracks (or as a mono-to-stereo plug-in in Logic), although it won't load because I check the stream format and report it as invalid if I get a stereo in or out stream.

How do I tell the host (specifically Logic or Digital Performer) that my AU only supports mono, in such a way that it doesn't appear on their menus for stereo tracks?

Thanks,
Howard

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