bandreject 313 libavfilter/af_biquads.c case bandreject: bandreject 554 libavfilter/af_biquads.c DEFINE_BIQUAD_FILTER(bandreject, "Apply a two-pole Butterworth band-reject filter."); bandreject 77 libavfilter/allfilters.c REGISTER_FILTER(BANDREJECT, bandreject, af);