Change to using distutils.

Currently only builds the simplsndobj module

1 files changed, 0 insertions, 280 deletions

diff --git a/sms/windows.c b/sms/windows.c
deleted file mode 100644
index 46ca5be..0000000
--- a/sms/windows.c
+++ /dev/null
@@ -1,280 +0,0 @@
-/* 
- * Copyright (c) 2008 MUSIC TECHNOLOGY GROUP (MTG)
- *                    UNIVERSITAT POMPEU FABRA 
- * 
- * 
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of 
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- * 
- */
-
-/*! \file windows.c
- * \brief functions for creating various windows
- * 
- * Use sms_getWindow() for selecting which window will be made
- */
-#include "sms.h"
-
-/* \brief scale a window by its integral (numeric quadrature)
- *
- * In order to get a normalized magnitude spectrum (ex. Fourier analysis
- * of a sinusoid with linear magnitude 1 gives one peak of magnitude 1 in
- * the frequency domain), the spectrum windowing function should be 
- * normalized by its area under the curve.  
- *
- * \param sizeWindow the size of the window
- * \param pWindow pointer to an array that will hold the window
- */
-void sms_scaleWindow(int sizeWindow, sfloat *pWindow)
-{
-    int i;
-    sfloat fSum = 0;
-    sfloat fScale;
-
-    for(i = 0; i < sizeWindow; i++) 
-        fSum += pWindow[i];
-
-    fScale =  2. / fSum;
-
-    for(i = 0; i < sizeWindow; i++)
-        pWindow[i] *= fScale;
-}
-
-/*! \brief window to be used in the IFFT synthesis
- * 
- * contains both an inverse Blackman-Harris and triangular window.
- *
- * \todo read X. Rodet, Ph. Depalle, "Spectral Envelopes and Inverse FFT
- * Synthesis." Proc. 93rd AES Convention, October 1992
- * \param sizeWindow the size of the window
- * \param pFWindow pointer to an array that will hold the window
- */
-void IFFTwindow(int sizeWindow, sfloat *pFWindow)
-{
-    int i;
-    sfloat a0 = .35875, a1 = .48829, a2 = .14128, a3 = .01168;
-    double fConst = TWO_PI / sizeWindow, fIncr = 2.0 /sizeWindow, fVal = 0;
-
-    /* compute inverse of Blackman-Harris 92dB window */
-    for(i = 0; i < sizeWindow; i++) 
-    {
-        pFWindow[i] = 1 / (a0 - a1 * cos(fConst * i) +
-                      a2 * cos(fConst * 2 * i) - a3 * cos(fConst * 3 * i));
-    }
-
-    /* scale function by a triangular */
-    for(i = 0; i < sizeWindow / 2; i++)
-    {
-        pFWindow[i] = fVal * pFWindow[i]  / 2.787457;
-        fVal += fIncr;
-    }
-    for(i = sizeWindow / 2; i < sizeWindow; i++)
-    {
-        pFWindow[i] = fVal * pFWindow[i]  / 2.787457;
-        fVal -= fIncr;
-    }
-}
-
-/*! \brief BlackmanHarris window with 62dB rolloff
- * 
- * \todo where did these come from?
- * \param sizeWindow the size of the window
- * \param pFWindow pointer to an array that will hold the window
- */
-void BlackmanHarris62(int sizeWindow, sfloat *pFWindow)
-{
-    int i;
-    double fSum = 0;
-    /* for 3 term -62.05 */
-    sfloat a0 = .44959, a1 = .49364, a2 = .05677; 
-    double fConst = TWO_PI / sizeWindow;
-
-    /* compute window */
-    for(i = 0; i < sizeWindow; i++) 
-    {
-        fSum += pFWindow[i] = a0 - a1 * cos(fConst * i) +
-                a2 * cos(fConst * 2 * i);
-    }
-}
-
-/*! \brief BlackmanHarris window with 70dB rolloff
- * 
- * \param sizeWindow the size of the window
- * \param pFWindow pointer to an array that will hold the window
- */
-void BlackmanHarris70(int sizeWindow, sfloat *pFWindow)
-{
-    int i;
-    double fSum = 0;
-    /* for 3 term -70.83 */
-    sfloat a0 = .42323, a1 = .49755, a2 = .07922;
-    double fConst = TWO_PI / sizeWindow;
-
-    /* compute window */
-    for(i = 0; i < sizeWindow; i++) 
-    {
-        fSum += pFWindow[i] = a0 - a1 * cos(fConst * i) +
-                a2 * cos(fConst * 2 * i);
-    }
-}
-
-/*! \brief BlackmanHarris window with 74dB rolloff
- * 
- * \param sizeWindow the size of the window
- * \param pFWindow pointer to an array that will hold the window
- */
-void BlackmanHarris74(int sizeWindow, sfloat *pFWindow)
-{
-    int i;
-    double fSum = 0;
-    /* for -74dB  from the Nuttall paper */
-    sfloat a0 = .40217, a1 = .49703, a2 = .09892, a3 = .00188;
-    double fConst = TWO_PI / sizeWindow;
-
-    /* compute window */
-    for(i = 0; i < sizeWindow; i++) 
-    {
-        fSum += pFWindow[i] = a0 - a1 * cos(fConst * i) +
-                a2 * cos(fConst * 2 * i) + a3 * cos(fConst * 3 * i);
-    }
-}
-
-/*! \brief BlackmanHarris window with 92dB rolloff
- * 
- * \param sizeWindow the size of the window
- * \param pFWindow pointer to an array that will hold the window
- */
-void BlackmanHarris92(int sizeWindow, sfloat *pFWindow)
-{
-    int i;
-    double fSum = 0;
-    /* for -92dB */
-    sfloat a0 = .35875, a1 = .48829, a2 = .14128, a3 = .01168;
-    double fConst = TWO_PI / sizeWindow;
-
-    /* compute window */
-    for(i = 0; i < sizeWindow; i++) 
-    {
-        fSum += pFWindow[i] = a0 - a1 * cos(fConst * i) +
-                a2 * cos(fConst * 2 * i) + a3 * cos(fConst * 3 * i);
-    }
-}
-
-/*! \brief default BlackmanHarris window (70dB rolloff)
- * 
- * \param sizeWindow the size of the window
- * \param pFWindow pointer to an array that will hold the window
- */
-void BlackmanHarris(int sizeWindow, sfloat *pFWindow)
-{
-    BlackmanHarris70(sizeWindow, pFWindow);
-}
-
-/*! \brief Hamming window
- *
- * \param sizeWindow window size
- * \param pWindow    window array
- */
-void Hamming(int sizeWindow, sfloat *pWindow)
-{
-    int i;
-    sfloat fSum = 0;
-
-    for(i = 0; i < sizeWindow; i++) 
-    {
-        fSum += pWindow[i] = 0.53836 - 0.46164*cos(TWO_PI*i/(sizeWindow-1));
-    }
-}
-
-/*! \brief Hanning window
- *
- * \param sizeWindow window size
- * \param pWindow    window array
- */
-void Hanning(int sizeWindow, sfloat *pWindow)
-{
-    int i;
-    for(i = 0; i < sizeWindow; i++) 
-        pWindow[i] = (sin(PI*i/(sizeWindow-1)))*(sin(PI*i/(sizeWindow-1)));
-}
-
-/*! \brief main function for getting various windows
- *
- * \todo note on window scales
- * 
- * \see SMS_WINDOWS for the different window types available
- * \param sizeWindow  window size
- * \param pFWindow    window array
- * \param iWindowType the desired window type defined by #SMS_WINDOWS 
- */
-void sms_getWindow(int sizeWindow, sfloat *pFWindow, int iWindowType)
-{
-    switch(iWindowType)
-    {
-        case SMS_WIN_BH_62: 
-            BlackmanHarris62(sizeWindow, pFWindow);
-            break;
-        case SMS_WIN_BH_70: 
-            BlackmanHarris70(sizeWindow, pFWindow);            
-            break;
-        case SMS_WIN_BH_74: 
-            BlackmanHarris74(sizeWindow, pFWindow);
-            break;
-        case SMS_WIN_BH_92: 
-            BlackmanHarris92(sizeWindow, pFWindow);
-            break;
-        case SMS_WIN_HAMMING: 
-            Hamming(sizeWindow, pFWindow);
-            break;
-        case SMS_WIN_HANNING: 
-            Hanning(sizeWindow, pFWindow);
-            break;
-        case SMS_WIN_IFFT: 
-            IFFTwindow(sizeWindow, pFWindow);
-            break;
-        default:
-            BlackmanHarris(sizeWindow, pFWindow);
-    }
-}
-
-/*! \brief apply a window and center around sample 0
- *
- * function to center a waveform around sample 0, also known
- * as 'zero-phase windowing'.  Half the samples are at the beginning,
- * half at the end, with the remaining samples  (sizeFft-sizeWindow) 
- * in the middle (zero-padding for an interpolated spectrum).
- *
- * \todo do I need to garuntee that sizeWindow is odd-lengthed?
- *
- * \param sizeWindow size of waveform/waveform
- * \param pWaveform  pointer to  waveform
- * \param pWindow    pointer to window
- * \param sizeFft    size of FFT
- * \param pFftBuffer pointer to FFT buffer
- */
-void sms_windowCentered(int sizeWindow, sfloat *pWaveform, sfloat *pWindow, 
-                        int sizeFft, sfloat *pFftBuffer)
-{
-    int iMiddleWindow = (sizeWindow+1) >> 1; 
-    int iOffset = sizeFft - (iMiddleWindow - 1);
-    int i;
-
-    for(i=0; i<iMiddleWindow-1; i++)
-        pFftBuffer[iOffset + i] =  pWindow[i] * pWaveform[i];
-
-    iOffset = iMiddleWindow - 1;
-
-    for(i=0; i<iMiddleWindow; i++)
-        pFftBuffer[i] = pWindow[iOffset + i] * pWaveform[iOffset + i];
-}