SF_RectangularSplit.java

/* For Copyright and License see LICENSE.txt and COPYING.txt in the root directory */
package com.nerdscentral.audio.combine;

import java.util.ArrayList;
import java.util.List;

import com.nerdscentral.audio.core.SFData;
import com.nerdscentral.audio.core.SFSignal;
import com.nerdscentral.sython.Caster;
import com.nerdscentral.sython.SFPL_Operator;
import com.nerdscentral.sython.SFPL_RuntimeException;

public class SF_RectangularSplit implements SFPL_Operator
{

    private static final long serialVersionUID = 1L;

    @Override
    public String Word()
    {
        return Messages.getString("SF_RectangularSplit.0"); //$NON-NLS-1$
    }

    @Override
    public Object Interpret(Object input) throws SFPL_RuntimeException
    {
        SFSignal sample = Caster.makeSFSignal(input);
        int len = sample.getLength();
        SFSignal real = SFData.build(len);
        SFSignal imaginary = SFData.build(len);
        int j = 0;
        for (int i = 0; i < len; i += 2)
        {
            real.setSample(j, sample.getSample(i));
            imaginary.setSample(j, sample.getSample(i + 1));
            ++j;
        }
        List<Object> ret = new ArrayList<>();
        ret.add(real);
        ret.add(imaginary);
        return ret;
    }
}