Audio Unit Properties that are CFStringRef
Audio Unit Properties that are CFStringRef
- Subject: Audio Unit Properties that are CFStringRef
- From: Per Bull Holmen <email@hidden>
- Date: Mon, 05 Mar 2012 02:58:45 +0100
Hi
The Audio Unit Programming Guide states that an audio unit and its
view (GUI) is supposed to be able to work in separate address spaces.
As it says: "For example, you pass data between the audio unit
executable code and its view only by value, never by reference". But
all string standard properties are supposed to be passed as
CFStringRef. Doesn't this mean to pass the values by reference?
Wouldn't this violate those same laws? Am I incredibly stupid for not
understanding this.... isn't CFStringRef a pointer to a CFString? Is
the AU view not allowed to read these values, maybe? But properties
like kAudioUnitProperty_ParameterValueStrings sounds like the type of
properties made for a view. Or, perhaps they are only there for the
host to provide generic views? I'm sure I will feel incredibly stupid
as you tell me the obvious explanation for this... :)
Per
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