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    /****************************************************************************/
    /*   MPEG4 Visual Texture Coding (VTC) Mode Software                        */
    /*                                                                          */
    /*   This software was jointly developed by the following participants:     */
    /*                                                                          */
    /*   Single-quant,  multi-quant and flow control                            */
    /*   are provided by  Sarnoff Corporation                                   */
    /*     Iraj Sodagar   (iraj@sarnoff.com)                                    */
    /*     Hung-Ju Lee    (hjlee@sarnoff.com)                                   */
    /*     Paul Hatrack   (hatrack@sarnoff.com)                                 */
    /*     Shipeng Li     (shipeng@sarnoff.com)                                 */
    /*     Bing-Bing Chai (bchai@sarnoff.com)                                   */
    /*     B.S. Srinivas  (bsrinivas@sarnoff.com)                               */
    /*                                                                          */
    /*   Bi-level is provided by Texas Instruments                              */
    /*     Jie Liang      (liang@ti.com)                                        */
    /*                                                                          */
    /*   Shape Coding is provided by  OKI Electric Industry Co., Ltd.           */
    /*     Zhixiong Wu    (sgo@hlabs.oki.co.jp)                                 */
    /*     Yoshihiro Ueda (yueda@hlabs.oki.co.jp)                               */
    /*     Toshifumi Kanamaru (kanamaru@hlabs.oki.co.jp)                        */
    /*                                                                          */
    /*   OKI, Sharp, Sarnoff, TI and Microsoft contributed to bitstream         */
    /*   exchange and bug fixing.                                               */
    /*                                                                          */
    /*                                                                          */
    /* In the course of development of the MPEG-4 standard, this software       */
    /* module is an implementation of a part of one or more MPEG-4 tools as     */
    /* specified by the MPEG-4 standard.                                        */
    /*                                                                          */
    /* The copyright of this software belongs to ISO/IEC. ISO/IEC gives use     */
    /* of the MPEG-4 standard free license to use this  software module or      */
    /* modifications thereof for hardware or software products claiming         */
    /* conformance to the MPEG-4 standard.                                      */
    /*                                                                          */
    /* Those intending to use this software module in hardware or software      */
    /* products are advised that use may infringe existing  patents. The        */
    /* original developers of this software module and their companies, the     */
    /* subsequent editors and their companies, and ISO/IEC have no liability    */
    /* and ISO/IEC have no liability for use of this software module or         */
    /* modification thereof in an implementation.                               */
    /*                                                                          */
    /* Permission is granted to MPEG members to use, copy, modify,              */
    /* and distribute the software modules ( or portions thereof )              */
    /* for standardization activity within ISO/IEC JTC1/SC29/WG11.              */
    /*                                                                          */
    /* Copyright 1995, 1996, 1997, 1998 ISO/IEC                                 */
    /****************************************************************************/
    
    /************************************************************/
    /*     Sarnoff Very Low Bit Rate Still Image Coder          */
    /*     Copyright 1995, 1996, 1997, 1998 Sarnoff Corporation */
    /************************************************************/
    
    #include <stdlib.h>
    #include <stdio.h>
    #include <math.h>
    
    #ifdef _VTC_DECODER_
    #define DEFINE_GLOBALS
    #endif
    
    
    #include "basic.hpp"
    #include "dataStruct.hpp"
    #include "startcode.hpp"
    #include "bitpack.hpp"
    #include "msg.hpp"
    #include "globals.hpp"
    
    extern FILTER DefaultSynthesisFilterInt;
    extern FILTER DefaultSynthesisFilterDbl;
    
    
    CVTCDecoder::CVTCDecoder()
    {
      m_cInBitsFile = new Char [80];
      m_cRecImageFile = new Char [80];
    }
    
    CVTCDecoder::~CVTCDecoder()
    {
      delete m_cInBitsFile;
      delete m_cRecImageFile;
    }
    
    
    
    void CVTCCommon::getSpatialLayerDims()
    {
      Int i, shift;
    
      /* Calc widths and heights for all spatial layers */
      for (i=0; i<mzte_codec.m_iSpatialLev; ++i)
      {
        shift=mzte_codec.m_iWvtDecmpLev-mzte_codec.m_lastWvtDecompInSpaLayer[i][0]-1;
        mzte_codec.m_spaLayerWidth[i][0]=mzte_codec.m_iWidth>>shift;
        mzte_codec.m_spaLayerHeight[i][0]=mzte_codec.m_iHeight>>shift;
    
        if (mzte_codec.m_lastWvtDecompInSpaLayer[i][1]<0)
        {
           mzte_codec.m_spaLayerWidth[i][1]=mzte_codec.m_iDCWidth;
           mzte_codec.m_spaLayerHeight[i][1]=mzte_codec.m_iDCHeight;
        }
        else
        {
          shift=mzte_codec.m_iWvtDecmpLev-mzte_codec.m_lastWvtDecompInSpaLayer[i][1]-1;
          mzte_codec.m_spaLayerWidth[i][1]=mzte_codec.m_iWidth>>shift;
          mzte_codec.m_spaLayerHeight[i][1]=mzte_codec.m_iHeight>>shift;
        }
    
        if (mzte_codec.m_lastWvtDecompInSpaLayer[i][2]<0)
        {
           mzte_codec.m_spaLayerWidth[i][2]=mzte_codec.m_iDCWidth;
           mzte_codec.m_spaLayerHeight[i][2]=mzte_codec.m_iDCHeight;
        }
        else
        {
          shift=mzte_codec.m_iWvtDecmpLev-mzte_codec.m_lastWvtDecompInSpaLayer[i][2]-1;
          mzte_codec.m_spaLayerWidth[i][2]=mzte_codec.m_iWidth>>shift;
          mzte_codec.m_spaLayerHeight[i][2]=mzte_codec.m_iHeight>>shift;
        }
      }
    }
    
    void CVTCCommon::setSpatialLayerDimsSQ(Int band)
    {
      /* added for compatability for new MQ spatial layer flexability - ph 7/16 */
      Int i;
      
      if (band) /* BAND - wvtDecompLev spatial layers */
      {
        for (i=0; i<mzte_codec.m_iWvtDecmpLev; ++i)
        {
          mzte_codec.m_lastWvtDecompInSpaLayer[i][0] = i;
          mzte_