DCFmpacket_Rtmra_float_array.cpp

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//DCFmpacket_Rtmra_float_array.cpp
//////////////////////////////////////////////////////////////////////
//          (c) Copyright 2001-2002 Brown Deer Technology, LLC.
//                        All rights reserved.
//////////////////////////////////////////////////////////////////////
//              Created:                Aug 27, 2001
//              Last Modified:          May 2, 2002
//////////////////////////////////////////////////////////////////////

// specialization DCFmpacket< Rtmra<float,array> >

DCFmpacket< Rtmra<float,array> >::DCFmpacket( 
  const int sizebmax,
  const int bplen_sizeb, const int bplen_n,
  DCFencode< Rtmra<float,array> >& enc
  ) : DCFmpacketBase(sizebmax, bplen_sizeb, bplen_n) {

   _enc=enc;
};

void DCFmpacket< Rtmra<float,array> >::setencode( 
  const int sizebmax,
  const int bplen_sizeb, const int bplen_n,
  DCFencode< Rtmra<float,array> >& enc
  ) {
   setencode(sizebmax,bplen_sizeb, bplen_n );
   _enc=enc;
};

DCFmpacket< Rtmra<float,array> >& 
  DCFmpacket< Rtmra<float,array> >::operator()(
    Rtmra<float,array>& x,
    const char mcode
    ) {
     DCFmpacket< Rtmra<float,array> >::encode(x,mcode);
     return *this;
};

void DCFmpacket< Rtmra<float,array> >::encode(
    Rtmra<float,array>& x,
    const char mcode
    ) {

   float tmp;
   bytepack bp;

   int n;

   int a;

   if (sw(mcode)) { n=((( x.mrastep() )&( (1<<x.mmax()) -1 ) )>> m(mcode)); }
   else { n=0; }

   clear();
   set(mcode,n);

   for(a=0;a<=_enc.amax();a++) {
      if (sw(mcode)) { tmp=x.wav(a,m(mcode)); }
      else { tmp=x.scal(a,m(mcode)); }
      if (fabs(tmp)>=_enc.quantcoef()) {
         put( bp(a,_enc.bplen_a()) );
         put( bp(tmp,_enc.bplen_coef()) );
      }
   }

};


void DCFmpacket< Rtmra<float,array> >::replace( Rtmra<float,array>& x ) {

   int next;
   int i;
   int j;
   int a;
   int a1;
   float tmp;
   bytepack bp;

   next=0;
   a=0;
   for(i=0;i<(sizeb()/(_enc.bplen_a()+_enc.bplen_coef()));i++) {
      bp(int(0),_enc.bplen_a());
      for(j=0;j<bp.size();j++) { bp[j]=_ptmpacket[next++]; }
      a1=int(bp);

      bp(0.0,_enc.bplen_coef());
      for(j=0;j<bp.size();j++) { bp[j]=_ptmpacket[next++]; }
      tmp=float(bp);

      while (a<a1) { 
         if (sw()) { x.wav(a,m(),0); }
         else { x.scal(a,m(),0); }
         a++; 
      }
      if (sw()) { x.wav(a,m(),tmp); }
      else { x.scal(a,m(),tmp); }
      a++;
   }

   while (a<=_enc.amax()) {
      if (sw()) { x.wav(a,m(),0); }
      else { x.scal(a,m(),0); }
      a++; 
   }

};

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