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Re: kAudioOutputUnitProperty_EnableIO
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Re: kAudioOutputUnitProperty_EnableIO


  • Subject: Re: kAudioOutputUnitProperty_EnableIO
  • From: Daniel Todd Currie <email@hidden>
  • Date: Tue, 4 May 2004 22:45:58 -0700

I completely deleted my primary build folder, which contains all intermediate build files and the precompiled header. Still no dice...

I checked the headers at /System/Library/Frameworks/AudioUnit.framework/Headers, and they contain kAudioOutputUnitProperty_EnableIO, so I assume they are up to date, or should at least work. Doesn't this mean they installed correctly?

So it sounds like I should perhaps transfer this thread over to the xcode-users list or something, unless you can think of any other way the CoreAudio frameworks could be responsible for this error. Thanks for your attention so far.

-- Daniel


On 2004 May 04, at 14:41, Doug Wyatt wrote:

Are the new AudioUnit framework headers in /System/Library/Frameworks/AudioUnit.framework/Headers ? They should be. Either the new headers aren't installed correctly, or Xcode has cached the old ones somehow. Are you using a precompiled header? You might find and delete your intermediate build directory ...

Doug


On May 4, 2004, at 12:01, Daniel Todd Currie wrote:
I've done as you suggested and still have the same error. From your suggestion, I might assume that kAudioOutputUnitProperty_EnableIO is new to the CA SDK v1.3.1. Is this assumption correct? Perhaps I need to review my installation of CA; I had simply figured that if one constant works and the other does not, that there must be something more serious involved.

Also, if I can't get it to compile, would it be advisable to create my own AudioUnitPropertyID with a value of 2003, and just pass that to AudioUnitSetProperty()? It would be a god-awful kludge, but I'm not distributing the source or anything... ;)


On 2004 May 04, at 11:41, Doug Wyatt wrote:

Try hunting down and deleting any SharedCaches folder in your build directory. I'm not certain that Xcode 1.2 is perfect in its detection of when system framework headers change. Please let us know if this solves the problem.

Doug

On May 2, 2004, at 23:28, Daniel Todd Currie wrote:

I consistently get the following gcc compiler error:

error: `kAudioOutputUnitProperty_EnableIO' undeclared (first use in this function)

I've checked the headers for the AudioUnit framework that I have imported and kAudioOutputUnitProperty_EnableIO is there. Other AU Properties don't turn up errors, like kAudioOutputUnitProperty_CurrentDevice. I have installed the CA SDK 1.3.1 and am using Xcode 1.2. Anyone have a similar problem? How could one property cause an error while the others in the same header do not?

I realize compiler errors are not probably the favorite topic around here, but I'm not sure who else to talk to.

TIAA,

-- Daniel Currie
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References: 
 >kAudioOutputUnitProperty_EnableIO (From: Daniel Todd Currie <email@hidden>)
 >Re: kAudioOutputUnitProperty_EnableIO (From: Doug Wyatt <email@hidden>)
 >Re: kAudioOutputUnitProperty_EnableIO (From: Daniel Todd Currie <email@hidden>)
 >Re: kAudioOutputUnitProperty_EnableIO (From: Doug Wyatt <email@hidden>)

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