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Re: AudioUnitV3 effect and "maximumFramesToRender"
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Re: AudioUnitV3 effect and "maximumFramesToRender"


  • Subject: Re: AudioUnitV3 effect and "maximumFramesToRender"
  • From: Bram Bos <email@hidden>
  • Date: Fri, 14 Dec 2018 17:05:37 +0000
  • Thread-topic: AudioUnitV3 effect and "maximumFramesToRender"

The host determines how many frames are pulled. This can differ for each call.
This variable is just to tell the host what the maximum number is that can be
processed at a time.

On 14 Dec 2018, at 17:48, Waverly Edwards
<email@hidden<mailto:email@hidden>> wrote:

init(componentDescription: AudioComponentDescription,options:
AudioComponentInstantiationOptions = [])

I created an AudioUnitV3 effect and I set the variable "maximumFramesToRender"
within the above method.  The effect does work but the system overwrites this
value with 512 frames, leaving me with no way to alter how many frames are
pulled.

https://developer.apple.com/documentation/audiotoolbox/auaudiounit/1387654-maximumframestorender

The documentation states you must be set before resources are allocated and I
do so in my init.  What else must I do in order to change how many frames are
pulled in a single cycle.

Does anyone have advice on this matter.
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 >AudioUnitV3 effect and "maximumFramesToRender" (From: Waverly Edwards <email@hidden>)

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