AUGraph remove NodeInputCallback
AUGraph remove NodeInputCallback
- Subject: AUGraph remove NodeInputCallback
- From: Robert Carroll <email@hidden>
- Date: Mon, 17 Mar 2014 14:02:31 -0400
| Hi,
is there a way to remove an existing InputCallback? Since I can't find a matching remove call for AUGraphSetNodeInputCallback, I've tried various ways to pass nil or NULL for the callback AStruct without success.
In context, I have an audio graph with a multi channel mixer that I need to be able to increase/decrease the bus count without tearing down the entire graph. It seems that changing the bus count cannot be done while the graph is initialized. If I drop from 4 bus playback down to 1 bus the previously attached callbacks still show in CAShow output even though there is only one input bus for the mixer unit at that point.
Remaining audio in the buffers for the removed buses still sounds when new audio playback resumes with the lower bus count.
What is the optimal way to change the active bus count?
thanks,
rob
Robert Carroll RSM Records Toronto
|
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