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    Searched refs:prev_RD (Results 1 - 2 of 2) sorted by null

  /frameworks/base/media/libstagefright/codecs/m4v_h263/enc/src/
rate_control.cpp 708 float curr_mad, prev_mad, curr_RD, prev_RD, average_mad, aver_QP;
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  /frameworks/base/media/libstagefright/codecs/avc/enc/src/
rate_control.cpp 413 OsclFloat curr_mad, prev_mad, curr_RD, prev_RD, average_mad, aver_QP;
479 prev_RD = (OsclFloat)prev_actual_bits / prev_mad;
483 Qstep = (int)(prev_RD / curr_RD + 0.5);
487 // rateCtrl->Qc =(Int)(prev_QP * M4VENC_SQRT(prev_RD/curr_RD) + 0.9);
489 if (prev_RD / curr_RD > 0.5 && prev_RD / curr_RD < 2.0)
490 Qstep = (int)(prev_QP * (sqrt(prev_RD / curr_RD) + prev_RD / curr_RD) / 2.0 + 0.9); /* Quadratic and linear approximation */
492 Qstep = (int)(prev_QP * (sqrt(prev_RD / curr_RD) + pow(prev_RD / curr_RD, 1.0 / 3.0)) / 2.0 + 0.9)
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