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Mistake around AudioUnitRender #40

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huxingyi opened this issue Aug 15, 2015 · 1 comment

huxingyi commented Aug 15, 2015

Hi, I found maybe there is a mistake in this line. (nframes/dev->_micSampleSize) should be (nframes * dev->_micSampleSize)

mumblekit/src/MKVoiceProcessingDevice.m

Line 56 in 6ec99df

if (dev->_buflist.mBuffers->mDataByteSize < (nframes/dev->_micSampleSize)) {

And as figured out in the follow line, AudioUnitRender will change the value of AudioBufferList's mDataByteSize (I verified this in a real iphone 4, not on simulator), so we need to keep the mDataByteSize and restore it after AudioUnitRender.
https://github.com/openframeworks/openFrameworks/blob/076daef1236dabadde935b8276120650b5f29cda/addons/ofxiOS/src/sound/SoundInputStream.m#L51

The text was updated successfully, but these errors were encountered:

Contributor

emiliopavia commented Nov 26, 2015

I faced the same issue, here is the pull request: #44

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