Searched defs:Qstep (Results 1 - 1 of 1) sorted by relevance

/frameworks/av/media/libstagefright/codecs/avc/enc/src/
H A Drate_control.cpp30 int Qstep2QP(double Qstep);
409 OsclFloat Qstep, prev_QP = 0.625; local
481 Qstep = (int)(prev_RD / curr_RD + 0.5);
488 Qstep = (int)(prev_QP * (sqrt(prev_RD / curr_RD) + prev_RD / curr_RD) / 2.0 + 0.9); /* Quadratic and linear approximation */
490 Qstep = (int)(prev_QP * (sqrt(prev_RD / curr_RD) + pow(prev_RD / curr_RD, 1.0 / 3.0)) / 2.0 + 0.9);
499 rateCtrl->Qc = Qstep2QP(Qstep);
913 /* convert from QP to Qstep */
917 double Qstep; local
920 Qstep = QP2QSTEP[QP % 6];
922 Qstep *
928 Qstep2QP(double Qstep) argument
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