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What is the common endpoint for audio from applications?
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What is the common endpoint for audio from applications?


  • Subject: What is the common endpoint for audio from applications?
  • From: "Nick Hebner" <email@hidden>
  • Date: Tue, 15 Aug 2006 15:19:32 -0700

I am new to the core audio api and mac programming in general. I am looking at writing an application
for which I need to have access to all audio streams on the system. My initial idea was to write it using
core audio api's to enumerate all streams on all devices, and fiddle with these streams. I wrote a test
program to see if this would work, it was indicating that there was only one stream on my one output device,
even when I was playing audio with iTunes and GarageBand. Am I able to access streams from other
applications, and if so how? Are these programs using other audio frameworks such as quicktime, etc?
How do all of these frameworks access the same audio hardware, do they use core audio at their heart, or is
it something else?
If this is not the best place for this, please let me know where is. Thanks for any help that can be provided.
Nick Hebner
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