DEFINE_BIQUAD_FILTER  485 libavfilter/af_biquads.c DEFINE_BIQUAD_FILTER(equalizer, "Apply two-pole peaking equalization (EQ) filter.");
DEFINE_BIQUAD_FILTER  503 libavfilter/af_biquads.c DEFINE_BIQUAD_FILTER(bass, "Boost or cut lower frequencies.");
DEFINE_BIQUAD_FILTER  521 libavfilter/af_biquads.c DEFINE_BIQUAD_FILTER(treble, "Boost or cut upper frequencies.");
DEFINE_BIQUAD_FILTER  538 libavfilter/af_biquads.c DEFINE_BIQUAD_FILTER(bandpass, "Apply a two-pole Butterworth band-pass filter.");
DEFINE_BIQUAD_FILTER  554 libavfilter/af_biquads.c DEFINE_BIQUAD_FILTER(bandreject, "Apply a two-pole Butterworth band-reject filter.");
DEFINE_BIQUAD_FILTER  572 libavfilter/af_biquads.c DEFINE_BIQUAD_FILTER(lowpass, "Apply a low-pass filter with 3dB point frequency.");
DEFINE_BIQUAD_FILTER  590 libavfilter/af_biquads.c DEFINE_BIQUAD_FILTER(highpass, "Apply a high-pass filter with 3dB point frequency.");
DEFINE_BIQUAD_FILTER  606 libavfilter/af_biquads.c DEFINE_BIQUAD_FILTER(allpass, "Apply a two-pole all-pass filter.");
DEFINE_BIQUAD_FILTER  619 libavfilter/af_biquads.c DEFINE_BIQUAD_FILTER(biquad, "Apply a biquad IIR filter with the given coefficients.");