Lines Matching defs:ppf
610 * @param ppf pitch postfilter parameters
616 static void comp_ppf_gains(int lag, PPFParam *ppf, enum Rate cur_rate,
622 ppf->index = lag;
629 ppf->opt_gain = ppf_gain_weight[cur_rate];
631 ppf->opt_gain = (ccr << 15) / res_eng *
635 temp1 = (tgt_eng << 15) + (ccr * ppf->opt_gain << 1);
636 temp2 = (ppf->opt_gain * ppf->opt_gain >> 15) * res_eng;
646 ppf->sc_gain = square_root(temp1 << 16);
648 ppf->opt_gain = 0;
649 ppf->sc_gain = 0x7fff;
652 ppf->opt_gain = av_clip_int16(ppf->opt_gain * ppf->sc_gain >> 15);
661 * @param ppf pitch postfilter parameters
665 PPFParam *ppf, enum Rate cur_rate)
686 ppf->index = 0;
687 ppf->opt_gain = 0;
688 ppf->sc_gain = 0x7fff;
715 comp_ppf_gains(fwd_lag, ppf, cur_rate, energy[0], energy[1],
718 comp_ppf_gains(-back_lag, ppf, cur_rate, energy[0], energy[3],
729 comp_ppf_gains(fwd_lag, ppf, cur_rate, energy[0], energy[1],
732 comp_ppf_gains(-back_lag, ppf, cur_rate, energy[0], energy[3],
1161 PPFParam ppf[SUBFRAMES];
1237 ppf + j, p->cur_rate);
1242 vector_ptr + i + ppf[j].index,
1243 ppf[j].sc_gain,
1244 ppf[j].opt_gain,