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Re: Reading Audio Output
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Re: Reading Audio Output


  • Subject: Re: Reading Audio Output
  • From: Jeff Moore <email@hidden>
  • Date: Fri, 20 Dec 2002 11:40:54 -0800

Even AudioHijack doesn't have access to the full mix of the system. They can only grab the audio at the bottom of each process. Plus, the method being used is not forward compatible as the HAL evolves. I would not recommend going that route.

On Friday, December 20, 2002, at 12:19 AM, Ben Hines wrote:

On Thursday, December 19, 2002, at 08:03 PM, Jeff Moore wrote:

The only place where the entire mix of the system is known, is in the driver in the kernel. The only way to get your hands on it is to do some driver trickery that allowed you to glom on to another driver to grab the sample data.



cf. Audio Hijack: http://www.versiontracker.com/moreinfo.fcgi?id=16382&db=mac

They require you to launch the application via Audio Hijack so they can "hijack" the audio.

-Ben
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--

Jeff Moore
Core Audio
Apple
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References: 
 >Re: Reading Audio Output (From: Ben Hines <email@hidden>)

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