/*
    Simple fixed point bitcrash.
    https://github.com/schollz/fpfx
*/

#ifndef COM_SND_BITCRSH_H
#define COM_SND_BITCRSH_H

#include "../fix.h"
#include <stdint.h>

struct com_snd_bitcrsh {
  uint8_t bits;   /* How much to trim when triggered. */
  uint8_t reduce; /* Every Nth sample frame. */
};

static void com_snd_bitcrsh_process(Bitcrush *bitcrush, int32_t *buf,
                                    unsigned int nr_samples) {
  for (int i = 0; i < nr_samples; i++) {
    if (i % bitcrush->reduce == 0) {
      // bitcrush fixedpoint
      buf[i] = buf[i] >> (16 - bitcrush->bits) << (16 - bitcrush->bits);
    } else {
      buf[i] = buf[i - 1];
    }
  }
}

#endif