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diff dsp/chromagram/Chromagram.cpp @ 114:f6ccde089491 pvoc

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Tidy real-to-complex FFT -- forward and inverse have different arguments, so make them separate functions; document
author Chris Cannam
date Wed, 02 Oct 2013 15:04:38 +0100
parents e5907ae6de17
children e4a57215ddee
line wrap: on
line diff
--- a/dsp/chromagram/Chromagram.cpp	Tue Oct 01 15:38:56 2013 +0100
+++ b/dsp/chromagram/Chromagram.cpp	Wed Oct 02 15:04:38 2013 +0100
@@ -139,8 +139,7 @@
     }
     m_window->cut(m_windowbuf);
 
-    // FFT of current frame
-    m_FFT->process(false, m_windowbuf, m_FFTRe, m_FFTIm);
+    m_FFT->forward(m_windowbuf, m_FFTRe, m_FFTIm);
 
     return process(m_FFTRe, m_FFTIm);
 }
@@ -158,7 +157,6 @@
 
     double cmax = 0.0;
     double cval = 0;
-
     // Calculate ConstantQ frame
     m_ConstantQ->process( real, imag, m_CQRe, m_CQIm );