You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
34 lines
619 B
34 lines
619 B
#include "bitcrush.h"
|
|
#include "fold.h"
|
|
#include <math.h>
|
|
|
|
using namespace daisysp;
|
|
|
|
static Fold fold;
|
|
|
|
void Bitcrush::Init(float sample_rate)
|
|
{
|
|
bit_depth_ = 8;
|
|
crush_rate_ = 10000;
|
|
sample_rate_ = sample_rate;
|
|
fold.Init();
|
|
}
|
|
|
|
float Bitcrush::Process(float in)
|
|
{
|
|
float bits = pow(2, bit_depth_);
|
|
float foldamt = sample_rate_ / crush_rate_;
|
|
float out;
|
|
|
|
out = in * 65536.0f;
|
|
out += 32768;
|
|
out *= (bits / 65536.0f);
|
|
out = floor(out);
|
|
out *= (65536.0f / bits) - 32768;
|
|
|
|
fold.SetIncrement(foldamt);
|
|
out = fold.Process(out);
|
|
out /= 65536.0;
|
|
|
|
return out;
|
|
}
|
|
|