I am still unable to write audio samples from my AUHAL's input callback to a file. I have tried a number of things including using the asynchronous version of writing to an audio file in ExtAudioFileServices. Even wrapping the call in a dispatch queue in fear that it was going out of scope. Even though it is probably some small obvious thing that is missing (i'm only a few months into using core audio) I posted a stack question <http://stackoverflow.com/questions/34714832/writing-bytes-to-audio-file-using-auhal-audio-unit> about it. Apparently other uses have gotten the (-50) error. That is indeed the error I get. (you can run the GitHub Repo <https://github.com/AlexanderBollbach/AUHAL_Recorder> in xcode to verify this). I've been casually trying to get this to work over the past few days and I'm not getting any results. Any idea what I might be doing wrong?
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