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/**
 * Copyright 2000-2009 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 .
 *
 */
package marytts.tools.voiceimport;

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

/**
 * Simple Unit entry for the Catalog.
 */
public class Unit {
	public String unitType;
	public int unitNum;
	public String filename;
	public float start;
	public float middle;
	public float end;
	public Unit previous;
	public Unit next;
	public int index;
	private byte[] byteValues;
	private short[] shortValues;
	private float[] floatValues;
	private int startFrame;
	private int endFrame;
	private float leftF0;
	private float rightF0;
	protected boolean haveFeatures = false;

	// Null-Konstruktor needed for inheritance
	public Unit() {
	}

	/**
	 * Creates a new Unit entry for the catalog.
	 * 
	 * @param unitType
	 *            the type of this unit
	 * @param unitNum
	 *            the index of this unit
	 * @param filename
	 *            (without extension) where the audio and STS data for this unit can be found
	 * @param start
	 *            the timing info (in seconds) for where the audio and STS data for this unit starts in filename
	 * @param middle
	 *            the timing info (in seconds) for where the middle of the audio and STS data for this unit is in filename
	 * @param end
	 *            the timing info (in seconds) for where the audio and STS data for this unit ends in filename
	 * @param previous
	 *            the unit preceding this one in the recorded utterance
	 * @param next
	 *            the unit following this one in the recorded utterance
	 * @param index
	 *            the index of this unit in the overall catalog
	 */
	public Unit(String unitType, int unitNum, String filename, float start, float middle, float end, Unit previous, Unit next,
			int index) {

		this.unitType = unitType;
		this.unitNum = unitNum;
		this.filename = filename;
		this.start = start;
		this.middle = middle;
		this.end = end;
		this.previous = previous;
		this.next = next;
		this.index = index;
	}

	public void setValues(byte[] byteValues, short[] shortValues, float[] floatValues) {
		this.byteValues = byteValues;
		this.shortValues = shortValues;
		this.floatValues = floatValues;
		haveFeatures = true;
	}

	public void setStartEnd(int start, int end) {
		this.startFrame = start;
		this.endFrame = end;
	}

	public void setF0(float leftF0, float rightF0) {
		this.leftF0 = leftF0;
		this.rightF0 = rightF0;
	}

	public int getEndFrame() {
		return endFrame;
	}

	public int getStartFrame() {
		return startFrame;
	}

	public boolean dumpTargetValues(DataOutputStream out) throws IOException {
		if (haveFeatures) {
			for (int i = 0; i < byteValues.length; i++) {
				out.write(byteValues[i]);
			}
			for (int i = 0; i < shortValues.length; i++) {
				out.writeShort(shortValues[i]);
			}
			for (int i = 0; i < floatValues.length; i++) {
				out.writeFloat(floatValues[i]);
			}
			return true;
		} else {
			return false;
		}

	}

	public void dumpPseudoTargetValues(DataOutputStream out, int numByteVals, int numShortVals, int numFloatVals)
			throws IOException {
		for (int i = 0; i < numByteVals; i++) {
			out.write(0);
		}
		for (int i = 0; i < numShortVals; i++) {
			out.writeShort(0);
		}
		for (int i = 0; i < numFloatVals; i++) {
			out.writeFloat(0);
		}

	}

	public void dumpLeftF0(DataOutputStream out) throws IOException {

		out.writeFloat(leftF0);
	}

	public void dumpRightF0(DataOutputStream out) throws IOException {

		out.writeFloat(rightF0);
	}

	public String toString() {
		StringBuilder buf = new StringBuilder(filename + " ");
		if (previous != null) {
			buf.append(previous.unitType + "_" + previous.unitNum + " ");
		} else {
			buf.append("CLUNIT_NONE ");
		}
		buf.append(unitType + "_" + unitNum);
		if (next != null) {
			buf.append(" " + next.unitType + "_" + next.unitNum);
		} else {
			buf.append(" CLUNIT_NONE");
		}
		buf.append(" (index=" + index + ")");

		return buf.toString();
	}
}