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ExtAudioFileDispose locks on iOS 5
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ExtAudioFileDispose locks on iOS 5


  • Subject: ExtAudioFileDispose locks on iOS 5
  • From: Stevo Brock <email@hidden>
  • Date: Fri, 28 Oct 2011 16:03:01 -0700

Still trying to convert simple uncompressed audio to AAC using CoreAudio.  This is the 2nd problem we are now seeing with new devices/OS versions:

Basically it goes like this:
-In a method called from performSelectorInBackground:

Create file with
ExtAudioFileCreateWithURL()
ExtAudioFileSetProperty()

Call lots of
ExtAudioFileWrite()

Finally call
ExtAudioFileDispose()

Other than an iPad 2 running iOS 4.3.5 (which has a problem mailed previously), all devices tested running iOS 4.x have been doing this fine for months.  Only on the new iPhone 4S and iPad 2 running iOS 5.0 do we see the problem where the call to ExtAudioFileDispose blocks indefinitely with the following stack trace:

PNG image



How do we get this to work?


-Stevo


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