com.jcraft.jorbis.Residue0 Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jorbis Show documentation
Maven artifact for JOrbis library. http://www.jcraft.com/jorbis/
There is a newer version: 0.0.17.4
/* -*-mode:java; c-basic-offset:2; indent-tabs-mode:nil -*- */
/* JOrbis
 * Copyright (C) 2000 ymnk, JCraft,Inc.
 *  
 * Written by: 2000 ymnk
 *   
 * Many thanks to 
 *   Monty  and 
 *   The XIPHOPHORUS Company http://www.xiph.org/ .
 * JOrbis has been based on their awesome works, Vorbis codec.
 *   
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public License
 * as published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
   
 * 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 Library General Public License for more details.
 * 
 * You should have received a copy of the GNU Library General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

package com.jcraft.jorbis;

import com.jcraft.jogg.*;

class Residue0 extends FuncResidue{
  void pack(Object vr, Buffer opb){
    InfoResidue0 info=(InfoResidue0)vr;
    int acc=0;
    opb.write(info.begin, 24);
    opb.write(info.end, 24);

    opb.write(info.grouping-1, 24); /* residue vectors to group and 
          			     code with a partitioned book */
    opb.write(info.partitions-1, 6); /* possible partition choices */
    opb.write(info.groupbook, 8); /* group huffman book */

    /* secondstages is a bitmask; as encoding progresses pass by pass, a
       bitmask of one indicates this partition class has bits to write
       this pass */
    for(int j=0; j3){
        /* yes, this is a minor hack due to not thinking ahead */
        opb.write(i, 3);
        opb.write(1, 1);
        opb.write(i>>>3, 5);
      }
      else{
        opb.write(i, 4); /* trailing zero */
      }
      acc+=Util.icount(i);
    }
    for(int j=0; j=vi.books){
      free_info(info);
      return (null);
    }

    for(int j=0; j=vi.books){
        free_info(info);
        return (null);
      }
    }
    return (info);
  }

  Object look(DspState vd, InfoMode vm, Object vr){
    InfoResidue0 info=(InfoResidue0)vr;
    LookResidue0 look=new LookResidue0();
    int acc=0;
    int dim;
    int maxstage=0;
    look.info=info;
    look.map=vm.mapping;

    look.parts=info.partitions;
    look.fullbooks=vd.fullbooks;
    look.phrasebook=vd.fullbooks[info.groupbook];

    dim=look.phrasebook.dim;

    look.partbooks=new int[look.parts][];

    for(int j=0; jmaxstage)
          maxstage=stages;
        look.partbooks[j]=new int[stages];
        for(int k=0; k