Re: SampleUSBAudioPlugin workaround?
Re: SampleUSBAudioPlugin workaround?
- Subject: Re: SampleUSBAudioPlugin workaround?
- From: Iain McCowan <email@hidden>
- Date: Mon, 20 Aug 2012 19:19:24 +1000
Hi Alexis,
I use that same USB plugin mechanism in a commercial product that adds custom DSP to the Apple Audio USB driver. We used the Sample project as our starting point.
After reading your email I reviewed the SampleUSBAudioPlugin project, and see that it is now marked as "legacy" as you said.
Does anyone else have a definitive response on whether the mechanism will be supported in the future, or what will replace it?
Despite it being marked as legacy, I have tested our USB audio plugin under Mountain Lion, and it does work. I also note it is still linked from here:
Regarding 10.7.4, this seems to be an oversight in the Apple USB driver for that build, which you can work around by adding an entry to the Apple Audio USB driver Info.plist that sets OSBundleCompatibleVersion to 1.8.8b1 . Once you do this, the plug-in will load correctly. I made an overly simple script for our users to patch this as a stop-gap solution.
I filed a bug report about that when 10.7.4 was released, which was marked as a duplicate of ID 11425372.
The response I had seemed to acknowledge this as an oversight that would be fixed in 10.7.5. I haven't checked if this has happened.
good luck,
Iain.
On Mon, Aug 20, 2012 at 6:19 PM, Alexis Zbik
<email@hidden> wrote:
Hello.
The SampleUSBAudioPlugin sample code seems to be deprecated on Moutain Lion and i'm also unable to load it on 10.7.4 ...
I would like if it exist a kind of workaround ... or an other sample code who provide the same thing (way to add audio effect on a USB audio device).
Thanks for all.
--
Alexis ZBIK
Mac & Audio Developer
A-Volute
25, rue Corneille
59100, Roubaix, France
email@hidden
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