Re: USB and built-in audio
Re: USB and built-in audio
- Subject: Re: USB and built-in audio
- From: "Michael C. Thornburgh" <email@hidden>
- Date: Thu, 7 Feb 2002 18:13:05 -0800 (PST)
for the general case of "play audio from any input
device to any output device", you need to copy the
audio samples from one AudioDeviceIOProc to another.
there's no built-in, automatic routing of samples
between devices.
several folks have posted sample code that does this,
and you should be able to find some pointers to those
samples in this list's archive. my sample code is at
http://aldebaran.armory.com/~zenomt/macosx/
(look for AudioMonitor.app)
-mike
>
Subject: USB and built-in audio
>
From: Thomas Marschall <email@hidden>
>
Date: Thu, 07 Feb 2002 17:29:06 -0600
>
>
I'm trying to see if there is a way to get audio from the input on the
>
built-in audio controller to an output on say, a pair of soundsticks. I can
>
get the input to go back out through the output on the built-in audio
>
controller, but not the soundsticks. I've read the coreaudio document, but
>
I don't see how it can be done. I've heard the advice that I should try to
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write my own driver or something similar, but I am quite new to programming
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in os x(anywhere for that matter), so I would like to avoid this. If there
>
is no choice, I would like a link to a good place to start such a project.
>
Please help!
>
Thomas Marschall
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