Re: AudioUnitSetRenderNotification() returns badComponentSelector
Re: AudioUnitSetRenderNotification() returns badComponentSelector
- Subject: Re: AudioUnitSetRenderNotification() returns badComponentSelector
- From: email@hidden
- Date: Wed, 03 Aug 2005 18:33:46 -0700
Hi Scott,
AudioUnitSetRenderNotification() appears to be specific to V1 Audio Units
--
see the comment in AUNTComponent.h listing all the APIs and structs
contained in that file as being deprecated.
The alternative AU-V2 call, which seems to have an identical parameter
list, is:
AudioUnitAddRenderNotify()
Best regards,
Peter
> At 12:17 PM 8/3/05, you wrote:
>
> Whenever I attempt to use
AudioUnitSetRenderNotification(), the result code returned is
badComponentSelector (-2147450878, Component does not support the
specified request code.), and my callback is never called.
>
> The AUs I have tried this with have been Apples Delay, the dev
sample codes SampleEffect, and Smartelectronixs Ambience.
>
> I am creating an AUGraph of several nodes (opening, initializing,
and starting), getting the effect AudioUnit for the node I am interested
in render notifications for, and attempting to pass this AudioUnit to
AudioUnitSetRenderNotification(). The graph itself is functionaing
and rendering audio as expected.
>
> Does an AU need to be specially written to support this
function? I was hoping to just tap into any I was interested
in.
>
> I'm not finding much of anything for documentation...
>
> Many thanks.
>
> Scott Puhl
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