/* For Copyright and License see LICENSE.txt and COPYING.txt in the root directory */
package com.nerdscentral.audio.pitch;
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_DirectRelength implements SFPL_Operator
{
private static final long serialVersionUID = 1L;
@Override
public Object Interpret(final Object input) throws SFPL_RuntimeException
{
List<Object> l = Caster.makeBunch(input);
SFSignal sampleA = Caster.makeSFSignal(l.get(0));
double rate = Caster.makeDouble(l.get(1));
int lengthIn = sampleA.getLength();
int len = (int) (lengthIn / rate);
SFSignal ret = SFData.build(len);
double pos = 0;
for (int i = 0; i < len && pos < lengthIn; ++i)
{
ret.setSample(i, sampleA.getSampleCubic(pos));
pos = pos + rate;
}
return ret;
}
@Override
public String Word()
{
return Messages.getString("SF_DirectRelength.0"); //$NON-NLS-1$
}
}