Lines Matching refs:prev_RD
708 float curr_mad, prev_mad, curr_RD, prev_RD, average_mad, aver_QP;
755 prev_RD = (float)prev_actual_bits / prev_mad;
759 rc->Qc = (Int)(prev_RD / curr_RD + 0.5);
763 rc->Qc = (Int)(prev_QP * M4VENC_SQRT(prev_RD / curr_RD) + 0.9);
765 if (prev_RD / curr_RD > 0.5 && prev_RD / curr_RD < 2.0)
766 rc->Qc = (Int)(prev_QP * (M4VENC_SQRT(prev_RD / curr_RD) + prev_RD / curr_RD) / 2.0 + 0.9); /* Quadratic and linear approximation */
768 rc->Qc = (Int)(prev_QP * (M4VENC_SQRT(prev_RD / curr_RD) + M4VENC_POW(prev_RD / curr_RD, 1.0 / 3.0)) / 2.0 + 0.9);
770 //rc->Qc =(Int)(prev_QP * sqrt(prev_RD/curr_RD) + 0.4);
