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diff dsp/chromagram/ConstantQ.cpp @ 289:befe5aa6b450

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* Refactor FFT a little bit so as to separate construction and processing rather than have a single static method -- will make it easier to use a different implementation * pull in KissFFT implementation (not hooked up yet)
author Chris Cannam <c.cannam@qmul.ac.uk>
date Wed, 13 May 2009 09:19:12 +0000
parents 4c901426b9f3
children dcb555b90924
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line diff
--- a/dsp/chromagram/ConstantQ.cpp	Tue May 12 21:04:25 2009 +0000
+++ b/dsp/chromagram/ConstantQ.cpp	Wed May 13 09:19:12 2009 +0000
@@ -103,7 +103,7 @@
     //add it to the sparse kernels matrix
     double squareThreshold = m_CQThresh * m_CQThresh;
 
-    FFT m_FFT;
+    FFT m_FFT(m_FFTLength);
 	
     for (unsigned k = m_uK; k--; ) 
     {
@@ -138,7 +138,7 @@
         }
     
 	//do fft of hammingWindow
-	m_FFT.process( m_FFTLength, 0, hammingWindowRe, hammingWindowIm, transfHammingWindowRe, transfHammingWindowIm );
+	m_FFT.process( 0, hammingWindowRe, hammingWindowIm, transfHammingWindowRe, transfHammingWindowIm );
 
 		
 	for (unsigned j=0; j<( m_FFTLength ); j++)