Change to using distutils.

Currently only builds the simplsndobj module

1 files changed, 0 insertions, 260 deletions

diff --git a/sms/synthesis.c b/sms/synthesis.c
deleted file mode 100644
index bc739d0..0000000
--- a/sms/synthesis.c
+++ /dev/null
@@ -1,260 +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 synthesis.c
- * \brief main synthesis routines
- */
-#include "sms.h"
-
-/*! \brief synthesis of one frame of the deterministic component using the IFFT
- *
- * \param pSmsData pointer to SMS data structure frame
- * \param pSynthParams pointer to structure of synthesis parameters
- */
-static void SineSynthIFFT(SMS_Data *pSmsData, SMS_SynthParams *pSynthParams)
-{
-    int sizeFft = pSynthParams->sizeHop << 1; 
-    int iHalfSamplingRate = pSynthParams->iSamplingRate >> 1;
-    int sizeMag = pSynthParams->sizeHop;
-    int nBins = 8;
-    int nTracks = pSmsData->nTracks;
-    int iFirstBin, k, i, l, b;
-    sfloat fMag=0.0, fFreq=0.0, fPhase=0.0, fLoc, fSin, fCos, fBinRemainder, 
-           fTmp, fNewMag,  fIndex;
-    sfloat fSamplingPeriod = 1.0 / pSynthParams->iSamplingRate;
-    memset(pSynthParams->pSpectra, 0, sizeFft * sizeof(sfloat));
-    for(i = 0; i < nTracks; i++)
-    {
-        if(((fMag = pSmsData->pFSinAmp[i]) > 0) &&
-            ((fFreq = (pSmsData->pFSinFreq[i])) < iHalfSamplingRate))
-        {
-            /* \todo maybe this check can be removed if the SynthParams->prevFrame gets random
-               phases in sms_initSynth? */
-            if(pSynthParams->prevFrame.pFSinAmp[i] <= 0)
-               pSynthParams->prevFrame.pFSinPha[i] = TWO_PI * sms_random();
-
-            fMag = sms_dBToMag(fMag);
-            fTmp = pSynthParams->prevFrame.pFSinPha[i] +
-                   TWO_PI * fFreq * fSamplingPeriod * sizeMag;
-            fPhase = fTmp - floor(fTmp * INV_TWO_PI) * TWO_PI;
-            fLoc = sizeFft * fFreq  * fSamplingPeriod;
-            iFirstBin = (int) fLoc - 3;
-            fBinRemainder = fLoc - floor (fLoc);
-            fSin = sms_sine(fPhase);
-            fCos = sms_sine(fPhase + PI_2);
-            for (k = 1, l = iFirstBin; k <= nBins; k++, l++)
-            {
-                fIndex = (k - fBinRemainder);
-                if (fIndex > 7.999) fIndex = 0;
-                fNewMag = fMag * sms_sinc (fIndex);
-                if(l > 0 && l < sizeMag)
-                {
-                    pSynthParams->pSpectra[l*2+1] += fNewMag * fCos;
-                    pSynthParams->pSpectra[l*2] += fNewMag * fSin;
-                }
-                else if(l == 0)
-                {
-                    pSynthParams->pSpectra[0] += 2 * fNewMag * fSin;
-                }
-                else if(l < 0)
-                {
-                    b = abs(l);
-                    pSynthParams->pSpectra[b*2+1] -= fNewMag * fCos;
-                    pSynthParams->pSpectra[b*2] += fNewMag * fSin;
-                }
-                else if(l > sizeMag)
-                {
-                    b = sizeMag - (l - sizeMag);
-                    pSynthParams->pSpectra[b*2+1] -= fNewMag * fCos;
-                    pSynthParams->pSpectra[b*2] += fNewMag * fSin;
-                }
-                else if(l == sizeMag)
-                {
-                    pSynthParams->pSpectra[1] += 2 * fNewMag * fSin;
-                }
-            }
-        }
-        pSynthParams->prevFrame.pFSinAmp[i] = fMag;
-        pSynthParams->prevFrame.pFSinPha[i] = fPhase;
-        pSynthParams->prevFrame.pFSinFreq[i] = fFreq;
-    }
-
-    sms_ifft(sizeFft, pSynthParams->pSpectra);
-
-    for(i = 0, k = sizeMag; i < sizeMag; i++, k++) 
-        pSynthParams->pSynthBuff[i] += pSynthParams->pSpectra[k] * pSynthParams->pFDetWindow[i];
-    for(i= sizeMag, k = 0; i < sizeFft; i++, k++) 
-        pSynthParams->pSynthBuff[i] +=  pSynthParams->pSpectra[k] * pSynthParams->pFDetWindow[i];
-}
-
-/*! \brief synthesis of one frame of the stochastic component by apprimating phases
- * 
- * computes a linearly interpolated spectral envelope to fit the correct number of output
- * audio samples. Phases are generated randomly.  
- *
- * \param pSmsData pointer to the current SMS frame
- * \param pSynthParams pointer to a strucure of synthesis parameters
- * \return 
- * \todo cleanup returns and various constant multipliers. check that approximation is ok
- */
-static int StocSynthApprox(SMS_Data *pSmsData, SMS_SynthParams *pSynthParams)
-{       
-    int i, sizeSpec1Used;
-    int sizeSpec1 = pSmsData->nCoeff;
-    int sizeSpec2 = pSynthParams->sizeHop;
-    int sizeFft = pSynthParams->sizeHop << 1; /* 50% overlap, so sizeFft is 2x sizeHop */
-
-    /* if no gain or no coefficients return  */
-    if(*(pSmsData->pFStocGain) <= 0)
-        return 0;
-
-    sizeSpec1Used = sizeSpec1 * pSynthParams->iSamplingRate / pSynthParams->iOriginalSRate;
-
-    /* sizeSpec1Used cannot be more than what is available  \todo check by graph */
-    if(sizeSpec1Used  > sizeSpec1) sizeSpec1Used = sizeSpec1;
-
-    sms_spectralApprox(pSmsData->pFStocCoeff, sizeSpec1, sizeSpec1Used,
-                       pSynthParams->pMagBuff, sizeSpec2, sizeSpec1Used,
-                       pSynthParams->approxEnvelope);
-
-    /* generate random phases */
-    for(i = 0; i < sizeSpec2; i++)
-        pSynthParams->pPhaseBuff[i] =  TWO_PI * sms_random();
-
-    sms_invQuickSpectrumW(pSynthParams->pMagBuff, pSynthParams->pPhaseBuff,
-                          sizeFft, pSynthParams->pSynthBuff, sizeFft,
-                          pSynthParams->pFStocWindow, pSynthParams->pSpectra);
-    return 1;
-}
-
-/*! \brief synthesizes one frame of the residual signal
- *
- * \param residualParams Parameters and memory for residual synthesis
- */
-void sms_approxResidual(int sizeResidual, sfloat* residual,
-                        int sizeApprox, sfloat* approx, 
-                        SMS_ResidualParams *residualParams)
-{
-    int i;
-
-    /* shift buffers */
-    memcpy(residualParams->residual,
-           residualParams->residual + residualParams->hopSize,
-           sizeof(sfloat) * residualParams->hopSize);
-    memcpy(residualParams->residual + residualParams->hopSize, residual,
-           sizeof(sfloat) * residualParams->hopSize);
-
-    memcpy(residualParams->approx,
-           residualParams->approx + residualParams->hopSize,
-           sizeof(sfloat) * residualParams->hopSize);
-    memset(residualParams->approx + residualParams->hopSize, 0, 
-           sizeof(sfloat) * residualParams->hopSize);
-
-    sms_spectrumMag(residualParams->residualSize,
-                    residualParams->residual,
-                    residualParams->fftWindow,
-                    residualParams->sizeStocMagSpectrum,
-                    residualParams->stocMagSpectrum,
-                    residualParams->fftBuffer);
-
-    if(residualParams->sizeStocMagSpectrum != residualParams->nCoeffs)
-    {
-        sms_spectralApprox(residualParams->stocMagSpectrum,
-                           residualParams->sizeStocMagSpectrum,
-                           residualParams->sizeStocMagSpectrum,
-                           residualParams->stocCoeffs,
-                           residualParams->nCoeffs,
-                           residualParams->nCoeffs,
-                           residualParams->approxEnvelope);
-
-        sms_spectralApprox(residualParams->stocCoeffs,
-                           residualParams->nCoeffs,
-                           residualParams->nCoeffs,
-                           residualParams->stocMagSpectrum,
-                           residualParams->sizeStocMagSpectrum,
-                           residualParams->sizeStocMagSpectrum,
-                           residualParams->approxEnvelope);
-    }
-
-    /* generate random phases */
-    for(i = 0; i < residualParams->sizeStocMagSpectrum; i++)
-        residualParams->stocPhaseSpectrum[i] =  TWO_PI * sms_random();
-
-    /* IFFT with 50% overlap */
-    sms_invQuickSpectrumW(residualParams->stocMagSpectrum,
-                          residualParams->stocPhaseSpectrum,
-                          residualParams->sizeStocMagSpectrum*2,
-                          residualParams->approx,
-                          residualParams->residualSize,
-                          residualParams->ifftWindow,
-                          residualParams->fftBuffer);
-
-    /* output */
-    for(i = 0; i < sizeApprox; i++)
-        approx[i] = residualParams->approx[i] * residualParams->windowScale;
-}
-
-/*! \brief  synthesizes one frame of SMS data
- *
- * \param pSmsData     input SMS data
- * \param pFSynthesis  output sound buffer  
- * \param pSynthParams synthesis parameters
- */
-void sms_synthesize(SMS_Data *pSmsData, sfloat *pFSynthesis,  SMS_SynthParams *pSynthParams)
-{
-    int i;
-    int sizeHop = pSynthParams->sizeHop;
-
-    memcpy(pSynthParams->pSynthBuff, (sfloat *)(pSynthParams->pSynthBuff+sizeHop), 
-           sizeof(sfloat) * sizeHop);
-    memset(pSynthParams->pSynthBuff+sizeHop, 0, sizeof(sfloat) * sizeHop);
-
-    /* convert mags from linear to db */
-    sms_arrayMagToDB(pSmsData->nTracks, pSmsData->pFSinAmp);
-
-    /* decide which combo of synthesis methods to use */
-    if(pSynthParams->iSynthesisType == SMS_STYPE_ALL)
-    {
-        if(pSynthParams->iDetSynthType == SMS_DET_IFFT)
-            SineSynthIFFT(pSmsData, pSynthParams);
-        else /*pSynthParams->iDetSynthType == SMS_DET_SIN*/
-        {
-            sms_sineSynthFrame(pSmsData, pSynthParams->pSynthBuff, pSynthParams->sizeHop,
-                               &(pSynthParams->prevFrame), pSynthParams->iSamplingRate);
-        }
-        StocSynthApprox(pSmsData, pSynthParams);
-    }
-    else if(pSynthParams->iSynthesisType == SMS_STYPE_DET)
-    {
-        if(pSynthParams->iDetSynthType == SMS_DET_IFFT)
-            SineSynthIFFT(pSmsData, pSynthParams);
-        else /*pSynthParams->iDetSynthType == SMS_DET_SIN*/
-        {
-            sms_sineSynthFrame(pSmsData, pSynthParams->pSynthBuff, pSynthParams->sizeHop,
-                               &(pSynthParams->prevFrame), pSynthParams->iSamplingRate);
-        }
-    }
-    else /* pSynthParams->iSynthesisType == SMS_STYPE_STOC */
-        StocSynthApprox(pSmsData, pSynthParams);
-
-    /* de-emphasize the sound and normalize*/
-    for(i = 0; i < sizeHop; i++)
-        pFSynthesis[i] = sms_deEmphasis(pSynthParams->pSynthBuff[i], pSynthParams);
-}