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Re: kAudioUnitProperty_FactoryPresets
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Re: kAudioUnitProperty_FactoryPresets


  • Subject: Re: kAudioUnitProperty_FactoryPresets
  • From: Bill Stewart <email@hidden>
  • Date: Tue, 15 Jul 2003 10:54:28 -0700

Glenn

You bring up an interesting point... I'm going to resummarise the expected behaviour of CF objects in the AU world from the host's requirements - then perhaps we can make up a list of known exceptions to these expectations... I'll post the list in the next day

Bill

On Monday, July 14, 2003, at 09:02 PM, Glenn Olander wrote:

I ran into a problem when testing Digital Performer AU support
recently. The problem was that when DP requests the
kAudioUnitProperty_FactoryPresets property, I'd
get a crash in Crystal.

The problem turned out to be a mistake on my part. The docs
clearly state that the host should release the CFArray. I was
continuing to use it after the call.

That got me wondering though. Why isn't this a problem with any
existing hosts? The only answer I can think of is that the
existing hosts don't release it.

Can any host authors confirm whether or not that's the case?

- Glenn
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References: 
 >kAudioUnitProperty_FactoryPresets (From: Glenn Olander <email@hidden>)

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