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kAudioFileUnspecifiedError
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kAudioFileUnspecifiedError


  • Subject: kAudioFileUnspecifiedError
  • From: patrick machielse <email@hidden>
  • Date: Mon, 3 Nov 2008 23:48:38 +0100

I'm trying to track down an error in my CoreAudio based application. Since it only happens to users (I cannot reproduce the problem) and might be restricted to 10.4.11, the information I have is not very detailed yet.

What I do know is that at some point ExtAudioFileRead() returns kAudioFileUnspecifiedError ('wht?'). ExtAudioFileRead() is called in a readCallback, registered with the first AudioUnit on a simple AUGraph. I process audio data (offline, not real time) by calling AudioUnitRender() in a loop. It seems that the error happens at the end of a file (or possibly even after I've exited the render loop...?)

The error value itself is not very discriptive (to say the least, it's more like a taunt...). It would be very helpful to know under which conditions ExtAudioFileRead() might return an kAudioFileUnspecifiedError.

Thanks
patrick
--
Patrick Machielse
Hieper Software

http://www.hieper.nl
email@hidden

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