Re: Adding a custom effects processor into an AUGraph on the iPhone
Re: Adding a custom effects processor into an AUGraph on the iPhone
- Subject: Re: Adding a custom effects processor into an AUGraph on the iPhone
- From: Doug Wyatt <email@hidden>
- Date: Tue, 2 Jun 2009 11:13:54 -0700
The main thing that AUGraph gives you is synchronized state
management, particularly with respect to connections.
If you aren't going to be changing your connections on the fly -- and
in a situation like what I'm about to describe, one doesn't tend to
need to do this -- you should be able to do something like this:
sources -> mixer -> effect -> output unit
where the effect is implemented as an input callback function on the
output unit. To obtain the mixer's output as the effect's input, call
AudioUnitRender on the mixer inside the effect processing function.
Doug
On Jun 2, 2009, at 5:03 , Aran Mulholland wrote:
I currently have 8 audio channels feeding into a Multi channel
mixer, then the output from the mixer goes to a remoteIO output.
I would like to grab the audio data after the mixer and place my own
effect on it. I tried originally writing my own mixer, then i had
acces to the data, but how do i do this in an AUGraph?
I know that the iPod doesnt implement all the fx units you get on
the mac, but is it possible to write your own?
thanks
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