CASpectralProcessor and general 64 bit SDK compatibility
CASpectralProcessor and general 64 bit SDK compatibility
- Subject: CASpectralProcessor and general 64 bit SDK compatibility
- From: Heinrich Fink <email@hidden>
- Date: Wed, 5 Mar 2008 11:13:24 +0100
| Hi,
I used the new SpectralProcessor in the CoreAudio SDK for my current AU-based project.
Running in 64bit mode I get a crash in
CASpectralProcessor.cpp:
Line90: mFFTSetup = vDSP_create_fftsetup (mLog2FFTSize, FFT_RADIX2);
And that is because mLog2FFTSize is screwed, because of:
Line90: mLog2FFTSize(Log2Ceil(mFFTSize)),
Log2Ceil uses
CABitOperations.h:
Line80: static __inline__ int CountLeadingZeroes(int arg) {...}
and that method is not defined for 64 bit architectures.
So my questions:
Will the PublicUtility containing some really useful stuff like the SpectralProcessor be moved for 64bit compatibility? The same question for the C++ AudioUnit SDK, compiling that in 64bit yields a lot of implicit conversion warnings. Will the vDSP-part of the veclib-framework work with 64bit architectures, and if, does it take advantage of it?
Thanks,
Heinrich
|
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