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Identifying the beginning or end of a data file in an AU
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Identifying the beginning or end of a data file in an AU


  • Subject: Identifying the beginning or end of a data file in an AU
  • From: Carl Parker <email@hidden>
  • Date: Mon, 14 Jun 2010 05:55:53 -0500
  • Acceptlanguage: en-US
  • Thread-topic: Identifying the beginning or end of a data file in an AU

I’m having an issue with an AU I’m creating to perform normalization analysis on pre-recorded audio files.

 

Basically I want to know if there is a way of knowing if you’re processing the first (or last) packet of data within the ‘GenericAudioUnitKernel::process()’ for a given audio file?

 

The application I’m developing it for doesn’t always call GenericAudioUnitKernel::Initialize() before starting to process data, so I’m hoping there’s some other way I can tell that data is being sent from the beginning of a file.

 

I’m fairly new to xcode and Object-Oriented programming in general, so any help would be greatly appreciated! J

 

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