Re: SetRenderCallback vs. SetInputCallback
Re: SetRenderCallback vs. SetInputCallback
- Subject: Re: SetRenderCallback vs. SetInputCallback
- From: William Stewart <email@hidden>
- Date: Thu, 15 Jul 2004 19:27:17 -0700
On 15/07/2004, at 7:03 PM, paul wrote:
>
> kAudioUnitPropertySetInputCallback was used for version 1 AU's
>
> (*very* deprecated; only use I can imagine is if you're only using
>
> the Apple AU's and must support 10.1).
>
>
>
> kAudioUnitPropertySetRenderCallback is the current one.
>
>
>
> grepping our source tree, I don't see any uses of
>
> kAudioUnitPropertySetInputCallback but maybe I missed a directory ...
>
> where do you see it?
>
>
>
Hey Doug,
>
I'm not the most organized individual but I believe it was tech note
>
2091( http://developer.apple.com/technotes/tn2002/tn2091.html ) which
>
brought about the most confusion. It's dated 2004 but make uses of
>
SetInputCallback on the global scope of the AUHAL. Regardless, thanks
>
for the clarification.
That's a different property:
kAudioOutputUnitProperty_SetInputCallback
notice this is kAudio***OUTPUT*** (my emphasis because of obscure
naming conventions we've used here ;-)
Not to be confused with (from AudioUnitProperties.h)
//kAudioUnitProperty_SetInputCallback = 7 -> deprecated - see
AUNTComponent.h
The following
kAudioUnitProperty_SetRenderCallback = 23,
Is used to provide input via a callback to a V2 audio unit (the only
ones we care about).
HTH
Bill
>
>
bye-bye,
>
-Paul
>
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