Audio Unit: BusCountWritable Problem
Audio Unit: BusCountWritable Problem
- Subject: Audio Unit: BusCountWritable Problem
- From: Jan Weigel <email@hidden>
- Date: Mon, 05 Aug 2013 13:13:34 +0200
Hello,
I have an Audio Unit Instrument that supports multiple output bus
configurations.
For example it supports:
1 stereo output bus,
2 stereo output buses
2 mono output buses
5 stereo output buses
5 mono output buses.
I have implented BusCountWritable() to return true and SetBusCount()
to return kAudioUnitErr_InvalidPropertyValue whenever inScope ==
kAudioUnitScope_Output and inCount is not a supported number.
However in the Logic Plugin Menu it shows a lot of Output
configurations that are not supported by the plugin:
Mono
Stereo
Multi-Output (16x Mono)
Multi-Output (1xStereo, 15xMono)
Multi-Output (8xStereo, 8xMono)
Multi-Output (16xStereo)
What else do I have to implement to show only the supported
configurations (the supported number of buses)?
If I return false in BusCountWritable() then only the initial bus
configuration is shown correctly but it is not possible to change
the number of buses.
Any help appreciated.
Thanks
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