SMSSynthesisConfig.cxx

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/*
 * Copyright (c) 2004 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
 *
 */

#include "SMSSynthesisConfig.hxx"

namespace CLAM
{

void SMSSynthesisConfig::DefaultInit()
{
        AddAll();
        UpdateData();
        DefaultValues();        
}

void SMSSynthesisConfig::DefaultValues()
{
        SetSamplingRate(44100);

//      GetSpectralSynth().SetAnalWindowSize(513);
//      TODO PA remove (hack for anal-synth in streaming)
//      GetSpectralSynth().SetAnalWindowSize(1025);

        
        GetSpectralSynth().SetAnalWindowType(EWindowType::eBlackmanHarris92);
        GetSpectralSynth().GetAnalWindowGenerator().SetInvert(true);

        
//      SetHopSize((GetAnalWindowSize()i-1)/2);
//      TODO PA remove hack...
        SetAnalWindowSize(1025);        
        SetHopSize(512);        // was 256
        SetFrameSize(512);      // was 256

        /* Default frame size is 256*/
//      SetFrameSize(GetHopSize());


}

void SMSSynthesisConfig::SetSpectrumSize(TSize specSize)
{
        GetSynthSineSpectrum().SetSpectrumSize(specSize);
}

TSize SMSSynthesisConfig::GetSpectrumSize() const
{
        return GetSynthSineSpectrum().GetSpectrumSize();
}

void SMSSynthesisConfig::SetAnalWindowSize(TSize w)
{
        CLAM_ASSERT(w%2==1,"Window size must be odd");
        GetSpectralSynth().SetAnalWindowSize(w);
        
        GetSynthSineSpectrum().SetSpectrumSize(GetSpectralSynth().GetIFFT().GetAudioSize()/2+1);
/*      TODO:This condition should be checked!!
        if(w<2*GetHopSize()+1)
                SetHopSize((w-1)/2);*/
}

TSize SMSSynthesisConfig::GetAnalWindowSize() const
{
        return GetSpectralSynth().GetAnalWindowSize();
}

void SMSSynthesisConfig::SetAnalWindowType(const EWindowType& t)
{
        GetSpectralSynth().SetAnalWindowType(t);
}

const EWindowType& SMSSynthesisConfig::GetAnalWindowType() const
{
        return GetSpectralSynth().GetAnalWindowType();
}


void SMSSynthesisConfig::SetSynthWindowSize(TSize w)
{
        CLAM_ASSERT(w%2==1,"Window size must be odd");
        GetSpectralSynth().SetSynthWindowSize(w);
}

TSize SMSSynthesisConfig::GetSynthWindowSize() const
{
        return GetSpectralSynth().GetSynthWindowSize();
}

void SMSSynthesisConfig::SetHopSize(TSize h)
{

        //CLAM_ASSERT(GetSynthWindowSize()>=2*h, "SMSSynthesisConfig::SetHopSize: Hop Size is too large compared to window size");
        GetSpectralSynth().SetHopSize(h);
}

void SMSSynthesisConfig::SetFrameSize(TSize f)
{
        GetOverlapAddSin().SetFrameSize(f);
        GetOverlapAddRes().SetFrameSize(f);
        GetOverlapAddGlobal().SetFrameSize(f);
}

TSize SMSSynthesisConfig::GetFrameSize()
{
        return GetOverlapAddSin().GetFrameSize();
}


TSize SMSSynthesisConfig::GetHopSize() const
{
        return GetSpectralSynth().GetHopSize();
}

void SMSSynthesisConfig::SetSamplingRate(TData sr)
{
        GetSynthSineSpectrum().SetSamplingRate(sr);
        GetPhaseMan().SetSamplingRate(sr);
        GetSpectralSynth().SetSamplingRate(sr);
}

TData SMSSynthesisConfig::GetSamplingRate() const
{
        return GetSynthSineSpectrum().GetSamplingRate();
}


TInt32 SMSSynthesisConfig::PowerOfTwo(TInt32 size)
{
        int tmp = size;
        int outputSize = 1;
        while (tmp) 
        {
                outputSize=outputSize << 1;
                tmp=tmp >> 1;
        }
        if(outputSize == size << 1)
                outputSize = outputSize >> 1;
        return outputSize;
}




} // namespace CLAM