content: /**
   * Copyright 2007 DFKI GmbH.
   * All Rights Reserved.  Use is subject to license terms.
   * <p/>
   * Permission is hereby granted, free of charge, to use and distribute
   * this software and its documentation without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish,
   * distribute, sublicense, and/or sell copies of this work, and to
   * permit persons to whom this work is furnished to do so, subject to
   * the following conditions:
   * <p/>
   * 1. The code must retain the above copyright notice, this list of
   * conditions and the following disclaimer.
   * 2. Any modifications must be clearly marked as such.
   * 3. Original authors' names are not deleted.
   * 4. The authors' names are not used to endorse or promote products
   * derived from this software without specific prior written
   * permission.
   * <p/>
   * DFKI GMBH AND THE CONTRIBUTORS TO THIS WORK DISCLAIM ALL WARRANTIES WITH
   * REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL DFKI GMBH NOR THE
   * CONTRIBUTORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
   * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
   * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
   * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
   * THIS SOFTWARE.
   */
  
  package marytts.signalproc.sinusoidal.hntm.analysis;
  
  import java.io.DataInputStream;
  import java.io.DataOutput;
  import java.io.IOException;
  import java.nio.ByteBuffer;
  
  import marytts.util.math.ArrayUtils;
  
  /**
   * @author oytun.turk
   */
  
  public class FrameNoisePartWaveform implements FrameNoisePart {
      protected short[] waveform;
  
      public FrameNoisePartWaveform() {
          super();
  
          waveform = null;
      }
  
      public FrameNoisePartWaveform(FrameNoisePartWaveform existing) {
          this();
  
          waveform = ArrayUtils.copy(existing.waveform);
      }
  
      public FrameNoisePartWaveform(DataInputStream dis, int waveLen) {
          this();
  
          if (waveLen > 0) {
              waveform = new short[waveLen];
              for (int i = 0; i < waveLen; i++) {
                  try {
                      waveform[i] = dis.readShort();
                  } catch (IOException e) {
                      System.out.println("Error! At least " + String.valueOf(waveLen) + " samples required!");
                  }
              }
          }
      }
  
      public FrameNoisePartWaveform(ByteBuffer bb, int waveLen) {
          this();
  
          if (waveLen > 0) {
              waveform = new short[waveLen];
              for (int i = 0; i < waveLen; i++) {
                  try {
                      waveform[i] = bb.getShort();
                  } catch (Exception e) {
                      throw new IllegalArgumentException("At least " + String.valueOf(waveLen) + " samples required!", e);
                  }
              }
          }
      }
  
      public FrameNoisePartWaveform(float[] x) {
          this();
  
          setWaveform(x);
      }
  
      public FrameNoisePartWaveform(double[] x) {
          this();
  
          setWaveform(x);
      }
  
      public FrameNoisePartWaveform(short[] x) {
          this();
  
          setWaveform(x);
      }
  
      @Override
      public void write(DataOutput out) throws IOException {
          int waveLen = 0;
          if (waveform != null && waveform.length > 0)
              waveLen = waveform.length;
  
          if (waveLen > 0) {
              for (int i = 0; i < waveform.length; i++)
                  out.writeShort(waveform[i]);
          }
      }
  
      public boolean equals(FrameNoisePartWaveform other) {
          if (waveform != null || other.waveform != null) {
              if (waveform != null && other.waveform == null) return false;
              if (waveform == null && other.waveform != null) return false;
              if (waveform.length != other.waveform.length) return false;
  
              if (waveform != null) {
                  for (int i = 0; i < waveform.length; i++)
                      if (waveform[i] != other.waveform[i]) return false;
              }
          }
  
          return true;
      }
  
      @Override
      public int getVectorSize() {
          int waveLen = 0;
          if (waveform != null && waveform.length > 0)
              waveLen = waveform.length;
  
          return waveLen;
      }
  
      @Override
      public int getLength() {
          return 2 * getVectorSize();
      }
  
      public void setWaveform(float[] x) {
          if (x != null)
              waveform = ArrayUtils.copyFloat2Short(x);
          else
              waveform = null;
      }
  
      public void setWaveform(double[] x) {
          if (x != null)
              waveform = ArrayUtils.copyDouble2Short(x);
          else
              waveform = null;
      }
  
      public void setWaveform(short[] x) {
          if (x != null)
              waveform = ArrayUtils.copy(x);
          else
              waveform = null;
      }
  
      public double[] waveform2Doubles() {
          if (waveform != null) {
              return ArrayUtils.copyShort2Double(waveform);
          } else
              return null;
      }
  
      public float[] waveform2Floats() {
          if (waveform != null)
              return ArrayUtils.copyShort2Float(waveform);
          else
              return null;
      }
  
      public short[] waveform() {
          return waveform;
      }
  }