/*
 *  Copyright 2006 Columbia University.
 *
 *  This file is part of MEAPsoft.
 *
 *  MEAPsoft is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 *  MEAPsoft 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 MEAPsoft; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 *  02110-1301 USA
 *
 *  See the file "COPYING" for the text of the license.
 */

package com.meapsoft.featextractors;

import com.meapsoft.STFT;

/**
 * A simple feature calculation that returns the start time of a chunk
 * in frames.
 *
 * @author Douglas Repetto
 */

public class ChunkStartTime extends FeatureExtractor 
{	
    public double[] features(STFT stft, long startFrame, int length) 
    {
		double[] chunkStart = new double[1];

		chunkStart[0] = startFrame;

        return chunkStart;
    }

	public String description()
	{
		return "Simply returns the start time of each segment. " +
		"Good for making backwards tracks!";
	}
}