Lsfs.java example

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/**
 * Copyright 2007 DFKI GmbH.
 * All Rights Reserved.  Use is subject to license terms.
 *
 * This file is part of MARY TTS.
 *
 * MARY TTS is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, version 3 of the License.
 *
 * 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package marytts.signalproc.analysis;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;

/**
 * 
 * A wrapper class for line spectral frequencies. For Actual LSF analysis, check LsfAnalyser.
 * 
 * @author Oytun Türk
 */
public class Lsfs {
	public double[][] lsfs;
	public LsfFileHeader params;

	public Lsfs() {
		lsfs = null;
		params = new LsfFileHeader();
	}

	public Lsfs(String lsfFile) throws IOException {
		readLsfFile(lsfFile);
	}

	public void readLsfFile(String lsfFile) throws IOException {
		lsfs = null;
		params = new LsfFileHeader();

		if (!lsfFile.equals("")) {
			DataInputStream stream = params.readHeader(lsfFile, true);

			if (stream != null) {
				lsfs = LsfAnalyser.readLsfs(stream, params);
			}
		}
	}

	public void writeLsfFile(String lsfFile) {
		if (lsfFile != "") {
			DataOutputStream stream = null;
			try {
				stream = params.writeHeader(lsfFile, true);
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}

			if (stream != null) {
				try {
					LsfAnalyser.writeLsfs(stream, lsfs);
				} catch (IOException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
		}
	}

	public void allocate() {
		allocate(params.numfrm, params.dimension);
	}

	public void allocate(int numEntries, int dimension) {
		lsfs = null;
		params.numfrm = 0;
		params.dimension = 0;

		if (numEntries > 0) {
			lsfs = new double[numEntries][];
			params.numfrm = numEntries;

			if (dimension > 0) {
				params.dimension = dimension;

				for (int i = 0; i < numEntries; i++)
					lsfs[i] = new double[dimension];
			}
		}
	}

	public static void main(String[] args) throws Exception {
		Lsfs l1 = new Lsfs();
		l1.params.dimension = 5;
		l1.params.numfrm = 1;
		l1.allocate();
		l1.lsfs[0][0] = 1.5;
		l1.lsfs[0][1] = 2.5;
		l1.lsfs[0][2] = 3.5;
		l1.lsfs[0][3] = 4.5;
		l1.lsfs[0][4] = 5.5;

		String lsfFile = "d:/1.lsf";
		l1.writeLsfFile(lsfFile);
		Lsfs l2 = new Lsfs(lsfFile);

		System.out.println("Test of class Lsfs completed...");
	}
}