Re: AUGraph and output callback
Re: AUGraph and output callback
- Subject: Re: AUGraph and output callback
- From: Aran Mulholland <email@hidden>
- Date: Wed, 04 Jan 2012 09:35:43 +1100
and you will probably want to look into ExtAudioFileWriteAsync to
write to the audio file from that render callback
On Wed, Jan 4, 2012 at 1:55 AM, Daniel Tapie <email@hidden> wrote:
> 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
>
>
> _______________________________________________
> Do not post admin requests to the list. They will be ignored.
> Coreaudio-api mailing list (email@hidden)
> Help/Unsubscribe/Update your Subscription:
>
> This email sent to email@hidden
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Coreaudio-api mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden