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Re: AudioUnit FormatConverter
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Re: AudioUnit FormatConverter


  • Subject: Re: AudioUnit FormatConverter
  • From: Jeff Moore <email@hidden>
  • Date: Wed, 28 Dec 2005 10:22:41 -0800

The output scope format on AUHAL is not settable I think. It is always locked to the virtual format that the device is using through the HAL. This is not the case with AUConverter where both sides of the conversion can be changed.

On Dec 28, 2005, at 2:09 AM, George Malayil-Philip wrote:

Hi,
With this audio unit hooked up as input to the outputUnit, I get perfect
output. What's confusing me though is that if I replace outputFormat with
inputFormat in the call to set converterUnit's output Stream Format, I still
get perfect output?!? How is this? Does a AUConverter always output BEF32
despite the settings on input and output formats? I am asking this because
in another program I tried a similar thing, except in the reverse, I set up
the converterUnit to convert BEF32 to BEI32, but it doesn't seem to do that.
Is there any other call I need to set to make this work? Or can't
AUFormatConverter's be used this way?


--

Jeff Moore
Core Audio
Apple


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    • Re: AudioUnit FormatConverter
      • From: George Malayil-Philip <email@hidden>
References: 
 >AudioUnit FormatConverter (From: George Malayil-Philip <email@hidden>)

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