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35 lines
619 B
35 lines
619 B
4 years ago
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#include "bitcrush.h"
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#include "fold.h"
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#include <math.h>
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using namespace daisysp;
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static Fold fold;
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void Bitcrush::Init(float sample_rate)
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{
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bit_depth_ = 8;
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crush_rate_ = 10000;
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sample_rate_ = sample_rate;
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fold.Init();
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}
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float Bitcrush::Process(float in)
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{
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float bits = pow(2, bit_depth_);
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float foldamt = sample_rate_ / crush_rate_;
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float out;
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out = in * 65536.0f;
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out += 32768;
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out *= (bits / 65536.0f);
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out = floor(out);
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out *= (65536.0f / bits) - 32768;
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fold.SetIncrement(foldamt);
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out = fold.Process(out);
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out /= 65536.0;
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return out;
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}
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