Re: AUGraph and output callback
Re: AUGraph and output callback
- Subject: Re: AUGraph and output callback
- From: Daniel Tapie <email@hidden>
- Date: Tue, 03 Jan 2012 15:55:44 +0100
OK, so for the future generations, here what I was missing (and that does the trick for capturing the output of an audio unit): the AudioUnitAddRenderNotify call.
Thanks everyone for their help !
Daniel Tapie
On 3 Jan 2012, at 13:48, Heinrich Fink wrote:
> Hi Daniel,
>
> On Jan 3, 2012, at 11:24 , Daniel Tapie wrote:
>
>> So is there a way to insert a callback at the output of the graph in order to get access to the samples ? There would be no synchronization issue since we will merely save them to a file.
>
> Have you looked at CAAudioUnitOutputCapturer.h in /Developer/Extras/CoreAudio/PublicUtility?
>
> If I understood your setup correctly, you would setup the capturer to listen to the output bus (0) of the AUHal.
>
> best regards,
>
> Heinrich Fink
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