1 #pragma once 2 3 #include <stdio.h> 4 5 typedef struct { 6 float a0, a1, a2, b1, b2; 7 float i1, i2, o1, o2; 8 } loudness_processor; 9 10 extern loudness_processor loudness_r; 11 extern loudness_processor loudness_l; 12 13 void loudness_set_volume(float volume); 14 float loudness_process(loudness_processor *p, float sample); 15