Re: AudioDriver to User Application
Re: AudioDriver to User Application
- Subject: Re: AudioDriver to User Application
- From: Jeff Moore <email@hidden>
- Date: Thu, 1 Dec 2005 15:11:59 -0800
If it's data that is "k-rate" data (that is, non-real time
information like meter values or whatever), then your best bet is to
publish it through the IORegistry and write a HAL plug-in for your
device that provides the information as a custom property.
Of course, the app in question has to know about the custom property
and what to do with it. There is no way for a driver to "push" things
at an application.
On Dec 1, 2005, at 2:59 PM, Kevin Kicklighter wrote:
What is the recommended way to get information (very low bandwidth,
that's derived from the audio stream) from my own Audio Device
driver to a user space application?
I can get the info I need by sampling my data, but need to
"forward" over to a user app.
--
Jeff Moore
Core Audio
Apple
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