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/third_party/ffmpeg/libavcodec/
H A Daaccoder.c587 float sfb_energy = 0.0f, threshold = 0.0f, spread = 2.0f; in search_for_pns() local
599 sfb_energy += band->energy; in search_for_pns()
621 ((sce->zeroes[w*16+g] || !sce->band_alt[w*16+g]) && sfb_energy < threshold*sqrtf(1.0f/freq_boost)) || spread < spread_threshold || in search_for_pns()
622 (!sce->zeroes[w*16+g] && sce->band_alt[w*16+g] && sfb_energy > threshold*thr_mult*freq_boost) || in search_for_pns()
624 sce->pns_ener[w*16+g] = sfb_energy; in search_for_pns()
630 pns_tgt_energy = sfb_energy*FFMIN(1.0f, spread*spread); in search_for_pns()
718 float sfb_energy = 0.0f, threshold = 0.0f, spread = 2.0f; in mark_pns() local
729 sfb_energy += band->energy; in mark_pns()
745 sce->pns_ener[w*16+g] = sfb_energy; in mark_pns()
746 if (sfb_energy < threshol in mark_pns()
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