Update

src/cpp/viper/effects/SoftwareLimiter.cpp

@@ -1,11 +1,14 @@
+#include <cstring>
 #include "SoftwareLimiter.h"
 
 SoftwareLimiter::SoftwareLimiter() {
-
-}
-
-SoftwareLimiter::~SoftwareLimiter() {
-
+    this->ready = false;
+    this->unknown4 = 0;
+    this->unknown2 = 1.0;
+    this->gate = 0.999999;
+    this->unknown3 = 1.0;
+    this->unknown1 = 1.0;
+    this->ResetLimiter();
 }
 
 void SoftwareLimiter::Process(float *samples, uint32_t size) {
@@ -13,9 +16,14 @@ void SoftwareLimiter::Process(float *samples, uint32_t size) {
 }
 
 void SoftwareLimiter::ResetLimiter() {
-
+    memset(this->arr256, 0, 256);
+    memset(this->arr512, 0, 512);
+    this->ready = false;
+    this->unknown4 = 0;
+    this->unknown2 = 1.0;
+    this->unknown3 = 1.0;
 }
 
-void SoftwareLimiter::SetGate() {
-
+void SoftwareLimiter::SetGate(float gate) {
+    this->gate = gate;
 }

src/cpp/viper/effects/SoftwareLimiter.h

@@ -9,7 +9,17 @@ public:
 
     void Process(float *samples, uint32_t size);
     void ResetLimiter();
-    void SetGate();
+    void SetGate(float gate);
+
+private:
+    float gate;
+    float unknown1;
+    float unknown2;
+    float unknown3;
+    float arr256[256];
+    float arr512[512];
+    uint32_t unknown4;
+    bool ready;
 };
 
 

src/cpp/viper/utils/NoiseSharpening.cpp

@@ -3,7 +3,7 @@
 
 NoiseSharpening::NoiseSharpening() {
     this->samplingRate = DEFAULT_SAMPLERATE;
-    this->gain = 0.f;
+    this->gain = 0.0;
     Reset();
 }
 
@@ -36,9 +36,9 @@ void NoiseSharpening::Process(float *buffer, uint32_t size) {
 
 void NoiseSharpening::Reset() {
     for (int i = 0; i < 2; i++) {
-        this->filters[i].setLPF_BW(this->samplingRate / 2.f - 1000.f, this->samplingRate);
+        this->filters[i].setLPF_BW((float) ((double) this->samplingRate / 2.0 - 1000.0), this->samplingRate);
         this->filters[i].Mute();
-        this->in[i] = 0.f;
+        this->in[i] = 0.0;
     }
 }
 

src/cpp/viper/utils/PolesFilter.cpp

@@ -18,13 +18,13 @@ void PolesFilter::UpdateCoeff() {
     memset(&this->channels[0], 0, sizeof(channel));
     memset(&this->channels[1], 0, sizeof(channel));
 
-    this->channels[0].lower_angle = ((float) this->lower_freq * M_PI / (float) this->samplingRate);
-    this->channels[1].lower_angle = ((float) this->lower_freq * M_PI / (float) this->samplingRate);
-    this->channels[0].upper_angle = ((float) this->upper_freq * M_PI / (float) this->samplingRate);
-    this->channels[1].upper_angle = ((float) this->upper_freq * M_PI / (float) this->samplingRate);
+    this->channels[0].lower_angle = (float) this->lower_freq * (float) M_PI / (float) this->samplingRate;
+    this->channels[1].lower_angle = (float) this->lower_freq * (float) M_PI / (float) this->samplingRate;
+    this->channels[0].upper_angle = (float) this->upper_freq * (float) M_PI / (float) this->samplingRate;
+    this->channels[1].upper_angle = (float) this->upper_freq * (float) M_PI / (float) this->samplingRate;
 }
 
-inline void DoFilterSide(channel *side, float sample, float *out1, float *out2, float *out3) {
+static inline void DoFilterSide(channel *side, float sample, float *out1, float *out2, float *out3) {
     float oldestSampleIn = side->in[2];
     side->in[2] = side->in[1];
     side->in[1] = side->in[0];

src/cpp/viper/utils/Stereo3DSurround.cpp

@@ -1,22 +1,42 @@
 #include "Stereo3DSurround.h"
 
 Stereo3DSurround::Stereo3DSurround() {
-    this->midImage = 1.0f;
-    this->stereoWiden = 0.0f;
-    this->unknown1 = 1.0f;
-    this->unknown2 = 0.5f;
-    this->coeffLeft = 0.5f;
-    this->coeffRight = 0.5f;
+    this->middleImage = 1.0;
+    this->stereoWiden = 0.0;
+    this->unknown1 = 1.0;
+    this->unknown2 = 0.5;
+    this->coeffLeft = 0.5;
+    this->coeffRight = 0.5;
 }
 
 void Stereo3DSurround::Process(float *samples, uint32_t size) {
+    if (size >= 2) {
 
+    }
+}
+
+inline void Stereo3DSurround::ConfigureVariables() {
+    this->unknown1 = this->stereoWiden + 1.0f;
+
+    float x = this->unknown1 + 1.0f;
+    float y;
+    if (x < 2.0) {
+        y = 0.5;
+    } else {
+        y = 1.0f / x;
+    }
+
+    this->unknown2 = y;
+    this->coeffLeft = this->middleImage * y;
+    this->coeffRight = this->unknown1 * y;
 }
 
 void Stereo3DSurround::SetMiddleImage(float middleImage) {
-
+    this->middleImage = middleImage;
+    this->ConfigureVariables();
 }
 
 void Stereo3DSurround::SetStereoWiden(float stereoWiden) {
-
+    this->stereoWiden = stereoWiden;
+    this->ConfigureVariables();
 }

src/cpp/viper/utils/Stereo3DSurround.h

@@ -11,8 +11,10 @@ public:
     void SetStereoWiden(float stereoWiden);
 
 private:
+    void ConfigureVariables();
+
     float stereoWiden;
-    float midImage;
+    float middleImage;
     float unknown1;
     float unknown2;
     float coeffLeft;