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Re: AULab and generators
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Re: AULab and generators


  • Subject: Re: AULab and generators
  • From: James Balnaves <email@hidden>
  • Date: Thu, 6 Apr 2006 11:52:13 -0400

Thanks. I overrode the SupportedNumChannels() method from AUBase, deleted the cache file and it loaded and works fine in AULab now.

On Apr 5, 2006, at 9:34 PM, William Stewart wrote:

Yes, there is a bug in the current version of AULab that will incorrectly filter out your AU. This has been covered on this list previously - if your generator (or instrument) AU does NOT support the "SupportedNumChannels" property then AULab should take your default configuration has the only valid config for your AU. However, the bug is that it misses this step, and so doesn't think you have any valid channel config.

To work around this you can either:
(1) Support the SupportedNumChannels and publish just the single channel config you support (for instance, { 0, 2 } if you just support stereo outputs)
or
(2) Go into AULab's cache file, find the entry for your generator and change the 0 to a 1 for the default channel config


We have a fix for this making its way to you in the next release of the Developer Tools.

Bill

On 05/04/2006, at 12:53 PM, James Balnaves wrote:

I have built a simple generator audio unit (kAudioUnitType_Generator) with a Cocoa UI which validates with auval and works in audio hijack pro. However, I can't seem to get AULab to recognize it. Is there something extra I need to do to make it compatible with AULab?
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References: 
 >AULab and generators (From: James Balnaves <email@hidden>)
 >Re: AULab and generators (From: William Stewart <email@hidden>)

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