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Re: How to become a Core Audio source?
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Re: How to become a Core Audio source?


  • Subject: Re: How to become a Core Audio source?
  • From: Chuck Carlson <email@hidden>
  • Date: Fri, 23 Jul 2010 19:39:49 -0700

Thanks Jean-Daniel.  That is an option to consider.

On Fri, Jul 23, 2010 at 5:48 PM, Jean-Daniel Dupas <email@hidden> wrote:
I don't think Paul propose to use Jack or Soundflower to inject audio, but to look at there sources to know how to inject audio.

That said, does this userspace driver sample code help ? 

http://developer.apple.com/mac/library/samplecode/SampleHardwarePlugIn/Introduction/Intro.html


Le 23 juil. 2010 à 22:24, Chuck Carlson a écrit :

Thanks,

We've already tried JACK and SoundFlower and they are out as well due to unreliability, latency and other problems.

I've got no faith in these 3rd party systems.

I need a way where our code can directly inject into core audio.

On Fri, Jul 23, 2010 at 1:10 PM, Paul Davis <email@hidden> wrote:
On Fri, Jul 23, 2010 at 4:02 PM, Chuck Carlson <email@hidden> wrote:
> Hello,
>
> We would like to supply audio to other applications which get their audio
> from core audio.
>
> Since I'm involved with our usb core audio driver, a core audio device
> driver (no actual hardware) comes to mind.
>
> Comments on this and suggestions for other ways to get audio into core audio
> would be great.

the archives of this mailing list will reveal at least 3 examples you
could consider as models:

   * JACK
   * SoundFlower
   * AudioHijack

each one is implemented quite differently. I believe that only JACK is
open source, and the relevant code is GPL'ed, so it would be wise and
nice to not abuse that.

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References: 
 >How to become a Core Audio source? (From: Chuck Carlson <email@hidden>)
 >Re: How to become a Core Audio source? (From: Paul Davis <email@hidden>)
 >Re: How to become a Core Audio source? (From: Chuck Carlson <email@hidden>)
 >Re: How to become a Core Audio source? (From: Jean-Daniel Dupas <email@hidden>)

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