445     int energy[5] = {0, 0, 0, 0, 0};  in comp_ppf_coeff()  local
447     int fwd_lag   = autocorr_max(buf, offset, &energy[1], pitch_lag,  in comp_ppf_coeff()
449     int back_lag  = autocorr_max(buf, offset, &energy[3], pitch_lag,  in comp_ppf_coeff()
461     energy[0] = ff_g723_1_dot_product(buf, buf, SUBFRAME_LEN);  in comp_ppf_coeff()
465         energy[2] = ff_g723_1_dot_product(buf + fwd_lag, buf + fwd_lag,  in comp_ppf_coeff()
470         energy[4] = ff_g723_1_dot_product(buf - back_lag, buf - back_lag,  in comp_ppf_coeff()
476         temp1 = FFMAX(energy[i], temp1);  in comp_ppf_coeff()
480         energy[i] = (energy[i] << scale) >> 16;  in comp_ppf_coeff()
483         comp_ppf_gains(fwd_lag,  ppf, cur_rate, energy[0], energy[1],  in comp_ppf_coeff()
484                        energy[2]);  in comp_ppf_coeff()
486         comp_ppf_gains(-back_lag, ppf, cur_rate, energy[0], energy[3],  in comp_ppf_coeff()
487                        energy[4]);  in comp_ppf_coeff()
494         temp1 = energy[4] * ((energy[1] * energy[1] + (1 << 14)) >> 15);  in comp_ppf_coeff()
495         temp2 = energy[2] * ((energy[3] * energy[3] + (1 << 14)) >> 15);  in comp_ppf_coeff()
497             comp_ppf_gains(fwd_lag, ppf, cur_rate, energy[0], energy[1],  in comp_ppf_coeff()
498                            energy[2]);  in comp_ppf_coeff()
500             comp_ppf_gains(-back_lag, ppf, cur_rate, energy[0], energy[3],  in comp_ppf_coeff()
501                            energy[4]);  in comp_ppf_coeff()
615 static void gain_scale(G723_1_ChannelContext *p, int16_t * buf, int energy)  in gain_scale()  argument
620     num   = energy;  in gain_scale()
687         int scale, energy;  in formant_postfilter()  local
713             energy = av_clipl_int32((int64_t)auto_corr[1] << -temp);  in formant_postfilter()
715             energy = auto_corr[1] >> temp;  in formant_postfilter()
717         gain_scale(p, dst, energy);  in formant_postfilter()