Does AudioUnitGetParameter have a cached value?
Does AudioUnitGetParameter have a cached value?
- Subject: Does AudioUnitGetParameter have a cached value?
- From: Rick Sustek <email@hidden>
- Date: Thu, 7 Jun 2007 17:56:33 -0700
The behavior I am seeing seems to indicate that it does.
From within view code,
when AudioUnitSetParameter is called, subsequent calls to
AudioUnitGetParameter return the value which was used in the set call.
Normally, this is what one would expect. Except in a special case I
am working on, in which the audio unit rendering layer rejects the
value being set. Thus, they become out of sync. If the rendering
layer sends a notify event, then things become synced, and
AudioUnitGetParameter will return the value as it actually stored
down yonder.
I see no mention of this in the documentation, but my observations
indicate that there is indeed some caching going on.
Any help appreciated!
Thanks,
-Rick
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