I'm creating a perfectly looping audio file by writing the output buffers of an AudioUnit to an ExtAudioFile.
All buffers are 1024 frames, except the last one, which is 68 frames. I'm writing the buffers (in an offline rendering loop) to the file using result = ExtAudioFileWrite( outputStreamFile, numberOfFrames, renderBufferList ); When attempting to write the last, smaller, buffer this function call returns "1768846202" which translates into "insz" indicating an invalid buffer size. What exactly is invalid about this size? The buffer is big enough and the error message is returned regardless of whether I render exactly 68 frames or the usual 1024 frames. What am I missing here?
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