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Re: tiger app fails on leopard
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Re: tiger app fails on leopard


  • Subject: Re: tiger app fails on leopard
  • From: Brad Ford <email@hidden>
  • Date: Tue, 18 Dec 2007 20:19:15 -0800

I think I was the one who helped you.  ;-)

The problem was the incorrect usage of NSLocks in MTCoreAudio, if I remember correctly. And I believe the author of that library has come up with a new version that behaves better on Leopard.

I just googled and found a version last updated on 11/04/2007 at http://aldebaran.armory.com/~zenomt/macosx/MTCoreAudio/

-Brad Ford
QuickTime Engineering

On Dec 18, 2007, at 7:51 PM, Robert Ackerman wrote:

we had an apple rep look at our tiger app at wwdc on a leopard box. it had bad audio on playback so he created a new 'lock' class for us and the app worked fine.
now i have my own macbook pro with leopard and the app from last june does not playback audio at all --
either a universal built on tiger or a new leopard build.
i have tracked it enough to know that no bytes are going out in the call to AudioConverterFillComplexBuffer.
i have no idea where to start getting it working, again.


i am using a set of classes called MTCoreAudio by Michael Thornburgh.
the first thing i could use is perhaps a pointer to calls in core audio on leopard that are different than calls on tiger.


o
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  • Follow-Ups:
    • Re: tiger app fails on leopard
      • From: Michael Thornburgh <email@hidden>
    • Re: tiger app fails on leopard
      • From: Robert Ackerman <email@hidden>
    • Re: MTCoreAudio
      • From: Robert Ackerman <email@hidden>
References: 
 >tiger app fails on leopard (From: Robert Ackerman <email@hidden>)

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