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Etyl's default sound module
There is a newer version: 1.2.0
/*
 * $ProjectName$
 * $ProjectRevision$
 * -----------------------------------------------------------
 * $Id: Floor1.java,v 1.2 2003/03/16 01:11:12 jarnbjo Exp $multip
 * -----------------------------------------------------------
 *
 * $Author: jarnbjo $
 *
 * Description:
 *
 * Copyright 2002-2003 Tor-Einar Jarnbjo
 * -----------------------------------------------------------
 *
 * Change History
 * -----------------------------------------------------------
 * $Log: Floor1.java,v $
 * Revision 1.2  2003/03/16 01:11:12  jarnbjo
 * no message
 *
 *
 */

package de.jarnbjo.vorbis;

import java.io.IOException;
import java.util.*;

import de.jarnbjo.util.io.BitInputStream;



public class Floor1 extends Floor implements Cloneable {

   private int[] partitionClassList;
   private int maximumClass, multiplier, rangeBits;
   private int[] classDimensions;
   private int[] classSubclasses;
   private int[] classMasterbooks;
   private int[][] subclassBooks;
   private int[] xList;
   private int[] yList;
   private int[] lowNeighbours, highNeighbours;
   //private boolean[] step2Flags;

   private static final int[] RANGES = {256, 128, 86, 64};

   private Floor1() {
   }

   protected Floor1(BitInputStream source, SetupHeader header) throws VorbisFormatException, IOException {

      maximumClass=-1;
      int partitions=source.getInt(5);
      partitionClassList=new int[partitions];

      for(int i=0; imaximumClass) {
            maximumClass=partitionClassList[i];
         }
      }


      classDimensions=new int[maximumClass+1];
      classSubclasses=new int[maximumClass+1];
      classMasterbooks=new int[maximumClass+1];
      subclassBooks=new int[maximumClass+1][];

      int xListLength=2;

      for(int i=0; i<=maximumClass; i++) {
         classDimensions[i]=source.getInt(3)+1;
         xListLength+=classDimensions[i];
         classSubclasses[i]=source.getInt(2);

         if(classDimensions[i] > header.getCodeBooks().length ||
            classSubclasses[i] > header.getCodeBooks().length) {
            throw new VorbisFormatException("There is a class dimension or class subclasses entry higher than the number of codebooks in the setup header.");
         }
         if(classSubclasses[i]!=0) {
            classMasterbooks[i]=source.getInt(8);
         }
         subclassBooks[i]=new int[1<0) {
            cval=source.getInt(vorbis.getSetupHeader().getCodeBooks()[classMasterbooks[cls]].getHuffmanRoot());
            //cval=vorbis.getSetupHeader().getCodeBooks()[classMasterbooks[cls]].readInt(source);
            //System.out.println("cval: "+cval);
         }
         //System.out.println("0: "+cls+" "+cdim+" "+cbits+" "+csub+" "+cval);
         for(int j=0; j>>=cbits;
            if(book>=0) {
               clone.yList[j+offset]=source.getInt(vorbis.getSetupHeader().getCodeBooks()[book].getHuffmanRoot());
               //clone.yList[j+offset]=vorbis.getSetupHeader().getCodeBooks()[book].readInt(source);
               //System.out.println("b: "+(j+offset)+" "+book+" "+clone.yList[j+offset]);
               //System.out.println("");
            }
            else {
               clone.yList[j+offset]=0;
            }
         }
         offset+=cdim;
      }

      //System.out.println("");
      //for(int i=0; i=room) {
               yList[i]=highRoom>lowRoom?
                  val-lowRoom+predicted:
                  -val+highRoom+predicted-1;
            }
            else {
               yList[i]=(val&1)==1?
                  predicted-((val+1)>>1):
                  predicted+(val>>1);
            }
         }
         else {
            step2Flags[i]=false;
            yList[i]=predicted;
         }
      }

      final int[] xList2=new int[values];

      System.arraycopy(xList, 0, xList2, 0, values);
      sort(xList2, yList, step2Flags);

      int hx=0, hy=0, lx=0, ly=yList[0]*multiplier;

      float[] vector2=new float[vector.length];
      float[] vector3=new float[vector.length];
      Arrays.fill(vector2, 1.0f);
      System.arraycopy(vector, 0, vector3, 0, vector.length);

      for(int i=1; ioff && x[j-1]>x[j]; j--) {
            itmp=x[j];
            x[j]=x[j-1];
            x[j-1]=itmp;
            itmp=y[j];
            y[j]=y[j-1];
            y[j-1]=itmp;
            btmp=b[j];
            b[j]=b[j-1];
            b[j-1]=btmp;
            //swap(x, j, j-1);
            //swap(y, j, j-1);
            //swap(b, j, j-1);
         }
      }
	}

   private final static void swap(int x[], int a, int b) {
	   int t = x[a];
	   x[a] = x[b];
	   x[b] = t;
   }

   private final static void swap(boolean x[], int a, int b) {
	   boolean t = x[a];
	   x[a] = x[b];
	   x[b] = t;
   }
}