Changing AU SubType
Changing AU SubType
- Subject: Changing AU SubType
- From: audio boy via Coreaudio-api <email@hidden>
- Date: Sat, 24 Oct 2020 13:44:55 +0900
We have an issue that for historic reasons, the subtype was set to
non-standard value, which does not correspond to a valid 4 character
'string'. (We actually used the VST 32bit plugin id here).
This was never an issue but apparently it is causing problems with UAD Luna.
The subtype is defined in the an .R file and also reported in a
dictionary when the kAudioUnitProperty_ClassInfo is queried in get
property
The problem is that changing this value to anything else (for example
kAudioUnitSubType_MIDISynth) results in Logic no longer seeing the
plugin. It doesnt even appear as failed in the plugin manager, it
just disappears.
I have no idea why but perhaps this is probably due to its caching
mechanism (although deleting the audiounits cache file doesn't help).
Does anyone have any suggestions as to what may be going on here and
how we can fix this?
Thanks
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