[PD] Libpd running in OS X app

Joe White white.joe4 at gmail.com
Fri Jul 5 13:34:47 CEST 2013

Hi guys,

Does anyone have any experience running libpd in an OS X app, using

I'm able to run a patch and receive print statements but I'm not getting
any audio output and DSP doesn't seem to be processing. I created a quick
test tone in code to see if it was my audio unit but that works. My main
problem it seems is that after calling

  [PdBase processFloatWithInputBuffer:leftBuffer outputBuffer:leftBuffer

...the buffer is still empty. Anyone have any ideas?

I'm calling [PdBase computeAudio:] just before I start the AudioUnit.
Here's the whole controller class if that helps:

Any help would be much appreciated!

Many thanks,


Follow me on Twitter @diplojocus
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