Re: Implementing Properties kAudioUnitProperty_SupportedChannelLayoutTags and kAudioUnitProperty_AudioChannelLayout
Re: Implementing Properties kAudioUnitProperty_SupportedChannelLayoutTags and kAudioUnitProperty_AudioChannelLayout
- Subject: Re: Implementing Properties kAudioUnitProperty_SupportedChannelLayoutTags and kAudioUnitProperty_AudioChannelLayout
- From: Stefan Gretscher <email@hidden>
- Date: Wed, 3 Sep 2008 15:50:04 +0200
This sounds like you're running into Logic's property caching for
Audio Units. Use the AU Manager to rescan your AU so Logic re-reads
these property from your AU, or increment your AU's version number
which will trigger an update as well. Also note that you'll need to
use Logic Pro for doing surround work, Logic Express doesn't support
surround.
-Stefan
Am 01.09.2008 um 14:44 schrieb Motti Shneor:
Hello all.
I'm trying to support the
kAudioUnitProperty_SupportedChannelLayoutTags and
kAudioUnitProperty_AudioChannelLayout Properties in my AudioUnit
(subclass of AUMIDIEffectBase) to support surround channel layout
routing in my AU.
When I try to debug through my component, I notice that neither
kAudioUnitGetPropertyInfoSelect nor kAudioUnitGetPropertySelect are
ever called with the above Property ID's.
LogicAudio is my Host application , running on MacOS X.4.11 using
XCode 2.4.1. I can breakpoint within the component entry dispatcher,
and I can hook on other properties without problem.
Am I missing something? Should I raise some flag, or somehow modify
the 'thng' resource describing my AU, or somehow report that I
support these properties to be asked for them?
Thanks for any hint!
Motti Shneor
Senior Software Engineer
Waves Audio Ltd
www.waves.com
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Stefan Gretscher
plug-in development & 3rd party developer support
phone: (+49)-4101-495-586 (Central European Time)
AU developer support: email@hidden
TDM developer support: email@hidden
Apple GmbH
Geschäftsführung: Georges Guyon de Chemilly
Sitz der Gesellschaft: München
Amtsgericht München, HRB 66158
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