Method encodeSymbol

unused/rangeencoder.cpp:154–184

}

void RangeEncoder::encodeSymbol(EntropyModel* model, U32 sym)
{
  assert(model);
  RangeModel* m = (RangeModel*)model;
  assert(sym >= 0 && sym < (U32)(m->n));
  U32 syfreq;
  U32 ltfreq;
  U32 r, tmp;
  U32 lg_totf = m->lg_totf;
  
  m->getfreq(sym,&syfreq,&ltfreq);

  normalize();
  r = range >> lg_totf;
  tmp = r * ltfreq;
  low += tmp;
#ifdef EXTRAFAST
  range = r * syfreq;
#else
  if ((ltfreq+syfreq) >> lg_totf)
  {
    range -= tmp;
  }
  else
  {
    range = r * syfreq;
  }
#endif

  m->update(sym);
}

void RangeEncoder::writeBit(U32 sym)
{