ref: 111a06b02ac20c539326e1d4182e4c7b3b78d771
dir: /src/pt2_downsamplers2x.h/
#pragma once #include <stdint.h> // all-pass halfband filters double d2x(const double *input, double *b); // Warning: These can exceed -1.0 .. 1.0 because of undershoot/overshoot! void downsample2xFloat(float *buffer, int32_t originalLength); void downsample2xDouble(double *buffer, int32_t originalLength); // Warning: These are slow and use normalization to prevent clipping from undershoot/overshoot! void downsample2x8Bit(int8_t *buffer, int32_t originalLength); void downsample2x8BitU(uint8_t *buffer, int32_t originalLength); void downsample2x16Bit(int16_t *buffer, int32_t originalLength); void downsample2x32Bit(int32_t *buffer, int32_t originalLength);