Help with AUHAL & AudioConverter
Help with AUHAL & AudioConverter
- Subject: Help with AUHAL & AudioConverter
- From: Stephen Shaw <email@hidden>
- Date: Tue, 07 Feb 2006 16:51:51 -0800
- Thread-topic: Help with AUHAL & AudioConverter
Title: Help with AUHAL & AudioConverter
Using the ComplexPlayThru as an example, I’m able to get a AUHAL set up which supplies me with audio input. I’m still trying to discern the best way of taking this input and converting it to the format I need. It looks like there’s two options:
In the AUHAL input callback I can call the AudioUnitRender to acquire the data and then call AudioConverterFillComplexBuffer to convert it, or I could call AudioUnitRender from the AudioConveter callback routine and return the acquired data to the converter from there. One problem I see with the second option is I loose access to the TimeStamp parameter in order to call AudioUnitRender.
I would really appreciate any help, tips or pointers anyone can provide me since I’ve got a feature deadline pressing.
Stephen
Macintosh Virtual PC Engineer
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