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Re: Audio Unit synth how-to
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Re: Audio Unit synth how-to


  • Subject: Re: Audio Unit synth how-to
  • From: h <email@hidden>
  • Date: Tue, 10 May 2005 09:58:33 -0700 (PDT)
  • Comment: DomainKeys? See http://antispam.yahoo.com/domainkeys

Never mind, I found the answer - set the
kAudioUnitRenderAction_OutputIsSilence flag.

--- h <email@hidden> wrote:
> Here's an easy one: Once the user has hit the stop button, how do I
> signal to the audio unit host to stop calling my Render() function?
> If this is all documented somewhere, please let me know.
>
> Cheers,
> Hamish
>
> --- James McCartney <email@hidden> wrote:
> >
> > On May 8, 2005, at 2:59 PM, h wrote:
> >
> > > I just want to check - given that I have to call GetParameter()
> > during
> > > Render() - I take it that if the parameter cannot change partway
> > > through my Render() call? (Or else some kind of mutex would be
> > > needed)?
> > >
> >
> >
> > Since setting a 32 bit word (e.g. a 32 bit float) is atomic, no
> mutex
> >
> > is needed.
> > The value of GetParameter could change midway. It isn't likely to
> > change on a single processor because of the priority of the render
>
> > thread, but it may happen on a dual processor.
> >
> > --- james mccartney --- apple coreaudio
> >
> >
> >
>
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