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USB audio driver: one engine, two streams.
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USB audio driver: one engine, two streams.


  • Subject: USB audio driver: one engine, two streams.
  • From: Chuck Carlson <email@hidden>
  • Date: Sun, 11 Jul 2010 20:46:28 -0700

Hello,

A while ago I implemented our usb audio driver for 10.5.6.  Our device requires one audio engine with two streams.  This required much ugly butchering of the standard apple driver.

Now I'm doing the same job, but with the latest driver, AppleUSBAudio-273-4.1 for 10.6.4.   The model now supports input and output streams in one engine. (seems this is true since 10.5.7).

What's the simplest way to do this?

I'm assuming there is something simple to put into the info.plist which will cause the iokit matching to put the streams into one engine, but can't figure it out.

Thanks for any pointers,

--Chuck
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