Re: Error Instantiating OutputUnit
Re: Error Instantiating OutputUnit
- Subject: Re: Error Instantiating OutputUnit
- From: Kyle Sluder <email@hidden>
- Date: Thu, 04 Jul 2013 11:22:20 -0700
On Jul 4, 2013, at 10:54 AM, Joe White < email@hidden> wrote:
Your sample code doesn't involve anything from the Core Audio SDK, so we can rule that out.
Sorry, I always thought Core Audio was the all encompassing term for the audio frameworks from Apple. The code I linked breaks specifically at 'AudioComponentInstanceNew()', which is declared in the Audio Unit Framework, so you think it must be an issue with my version of that?
Core Audio is an umbrella term. By “Core Audio SDK”, I am referring specifically to the downloadable stuff on developer.apple.com that is used for authoring Audio Units and drivers. AudioUnit.framework is part of the operating system, not part of that downloadable package. Just like how Foundation.framework is part of the OS, but the headers and such are part of the Developer Tools package.
If you're running on 10.9 and linking against the 10.9 SDK, then you might get different behavior than if you had linked against the 10.8 SDK. I would start by cleaning the Build Products directory and triple-checking the SDK being linked against. If that fails, I would take the same executable and run it on 10.8 (making sure it's linked against the 10.8 SDK). If all else fails, I'd check the 10.9 release notes for anything related to Core Audio, and file a Radar if necessary.
In short, this sounds like an OS issue, not a an Xcode issue.
I'm running on 10.8, targeting 10.8 in the build settings and cleaning the products directory many times.
Well, that rules out that possibility, which is good.
I created a new test user account on my system and surprisingly the project builds and runs! So I think you're right it's not an Xcode issue but maybe an issue with my user account somehow, something that changed after installing the Xcode Developer Preview and it's updated Developer Tools.
Now I'm just unsure where to check to see what's different :/
There might be some documentation about this either in the Xcode 5 release notes or in the WWDC 2013 videos. I'm not sure if there is or where it could be found.
--Kyle Sluder |
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