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AudioFileInitializeWithCallbacks

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AudioFileInitializeWithCallbacks

Subject: AudioFileInitializeWithCallbacks
From: Norman Franke <email@hidden>
Date: Mon, 23 Jul 2007 12:44:59 -0700

I've modified CAAudioFile.cpp (in /Developer/Examples/CoreAudio/PublicUtility) to call AudioFileInitializeWithCallbacks instead of AudioFileCreate to enable writing the file to a RAM buffer, which I'll then stream. My code (based on afconvert) can successfully use AudioFileOpenWithCallbacks to read from a buffer, but the call to AudioFileInitializeWithCallbacks always fails with 'wht?' or kAudioFileUnspecifiedError.

None of my four callbacks are being called (and that work for AudioFileOpenWithCallbacks) and the same file type and description are being bassed to AudioFileInitializeWithCallbacks that were being passed to AudioFileCreate originally.

Has anyone used AudioFileInitializeWithCallbacks successfully?

-Norman

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