1251     const int qmul= ff_qexp[qlog&(QROOT-1)]<<((qlog>>QSHIFT) + ENCODER_EXTRA_BITS);  in quantize()  local
1261     bias= bias ? 0 : (3*qmul)>>3;  in quantize()
1262     thres1= ((qmul - bias)>>QEXPSHIFT) - 1;  in quantize()
1273                         i/= qmul; //FIXME optimize  in quantize()
1278                         i/= qmul; //FIXME optimize  in quantize()
1293                         i= (i + bias) / qmul; //FIXME optimize  in quantize()
1298                         i= (i + bias) / qmul; //FIXME optimize  in quantize()
1312     const int qmul= ff_qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);  in dequantize()  local
1313     const int qadd= (s->qbias*qmul)>>QBIAS_SHIFT;  in dequantize()
1322                 src[x + y*stride]= -((-i*qmul + qadd)>>(QEXPSHIFT)); //FIXME try different bias  in dequantize()
1324                 src[x + y*stride]=  (( i*qmul + qadd)>>(QEXPSHIFT));  in dequantize()
1505             const int qmul= ff_qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);  in ratecontrol_1pass()  local
1506             const int qdiv= (1<<16)/qmul;  in ratecontrol_1pass()