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Re: Quartz Comp and Audio input??
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Re: Quartz Comp and Audio input??


  • Subject: Re: Quartz Comp and Audio input??
  • From: Robert Martin <email@hidden>
  • Date: Tue, 11 Sep 2007 17:44:41 -0400

Look in the archives of the CoreAudio-api list - this has been discussed there many times. Check the thread "Output Capture" from July 2007 for the most recent round.



On Sep 11, 2007, at 5:19 PM, Trygve Inda wrote:

On Sep 11, 2007, at 1:41 PM, Trygve Inda wrote:

A) have Quartz composer grab its audio input from whetever is going
to the
audio output (ie whatever is playing on the speakers).

This is not possible. The lower levels (Core Audio) doesn't have a method to obtain the system audio mix.

B) a way in Cocoa to send the audio output to the audio input so
Quartz
Composer will pick it up.

Same issue.

Well, Sound Flower seems to be able to channel the audio mix back to a new
input that QC could read I think, but that is messy.


What I am ultimately trying to do is an audio visualizer for a QT movie
playing in memory but not existing on disk.


Trygve
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 >Re: Quartz Comp and Audio input?? (From: Trygve Inda <email@hidden>)

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