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Bouncing a graph to a file offline.
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Bouncing a graph to a file offline.

  • Subject: Bouncing a graph to a file offline.
  • From: Graeme MacDonald <email@hidden>
  • Date: Tue, 9 Nov 2010 16:55:38 -0600
Hi, I'm trying to implement a "bounce to file" feature in my program, but I'm unsure how to drive the graph in a manual (or offline?) way.

I have looked at the code in CAAudioUnitOutputCapturer and have made that work, but only while realtime and with audio playing.  I've made a  mostly uninformed attempt at using kAudioUnitProperty_OfflineRender, but managed to only get "invalid property" errors.

I suppose it's probably straightforward but I have looked through the documentation and have done some searches and can't seem to find much.

Thanks,
Graeme








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