/*
* Created on Jan 23, 2007
*
* Copyright (c) 2006-2007 P.J.Leonard
*
* http://www.frinika.com
*
* This file is part of Frinika.
*
* Frinika 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.
* Frinika 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 Frinika; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.frinika.audio.analysis;
import com.frinika.sequencer.model.audio.DoubleDataSource;
public class SInDoubleSource implements DoubleDataSource {
long pos;
private double fact;
public SInDoubleSource(double freq,double fs){
this.fact=2*Math.PI*freq/fs;
}
public int getChannels() {
return 1;
}
public void readNextDouble(double[] buffer, int offSet, int nFrame) {
for(int i=0,j=offSet;i<nFrame;j++,i++) {
buffer[j]=Math.sin(fact*pos++);
}
}
public void seekFrame(long pos) {
this.pos=pos;
}
public boolean endOfFile() { return false; }
public long getCurrentFrame() {
// TODO Auto-generated method stub
return 0;
}
public long getLengthInFrames() {
// TODO Auto-generated method stub
return 0;
}
}