equalizer         272 libavfilter/af_biquads.c     case equalizer:
equalizer         485 libavfilter/af_biquads.c DEFINE_BIQUAD_FILTER(equalizer, "Apply two-pole peaking equalization (EQ) filter.");
equalizer          87 libavfilter/allfilters.c     REGISTER_FILTER(EQUALIZER,      equalizer,      af);