diff options
Diffstat (limited to 'plugins/LinuxVST')
| -rwxr-xr-x | plugins/LinuxVST/CMakeLists.txt | 1 | ||||
| -rwxr-xr-x | plugins/LinuxVST/src/Srsly/Srsly.cpp | 161 | ||||
| -rwxr-xr-x | plugins/LinuxVST/src/Srsly/Srsly.h | 81 | ||||
| -rwxr-xr-x | plugins/LinuxVST/src/Srsly/SrslyProc.cpp | 484 |
4 files changed, 727 insertions, 0 deletions
diff --git a/plugins/LinuxVST/CMakeLists.txt b/plugins/LinuxVST/CMakeLists.txt index 69d0cf3..5c29ac1 100755 --- a/plugins/LinuxVST/CMakeLists.txt +++ b/plugins/LinuxVST/CMakeLists.txt @@ -167,6 +167,7 @@ add_airwindows_plugin(SoftGate) add_airwindows_plugin(SpatializeDither) add_airwindows_plugin(Spiral) add_airwindows_plugin(Spiral2) +add_airwindows_plugin(Srsly) add_airwindows_plugin(StarChild) add_airwindows_plugin(StereoFX) add_airwindows_plugin(StudioTan) diff --git a/plugins/LinuxVST/src/Srsly/Srsly.cpp b/plugins/LinuxVST/src/Srsly/Srsly.cpp new file mode 100755 index 0000000..17650aa --- /dev/null +++ b/plugins/LinuxVST/src/Srsly/Srsly.cpp @@ -0,0 +1,161 @@ +/* ======================================== + * Srsly - Srsly.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Srsly_H +#include "Srsly.h" +#endif + +AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new Srsly(audioMaster);} + +Srsly::Srsly(audioMasterCallback audioMaster) : + AudioEffectX(audioMaster, kNumPrograms, kNumParameters) +{ + for (int x = 0; x < 11; x++) { + biquadM2[x] = 0.0; + biquadM7[x] = 0.0; + biquadM10[x] = 0.0; + biquadL3[x] = 0.0; + biquadL7[x] = 0.0; + biquadR3[x] = 0.0; + biquadR7[x] = 0.0; + biquadS3[x] = 0.0; + biquadS5[x] = 0.0; + } + A = 0.0; + B = 0.0; + C = 1.0; + D = 0.5; + E = 1.0; + fpd = 17; + //this is reset: values being initialized only once. Startup values, whatever they are. + + _canDo.insert("plugAsChannelInsert"); // plug-in can be used as a channel insert effect. + _canDo.insert("plugAsSend"); // plug-in can be used as a send effect. + _canDo.insert("x2in2out"); + setNumInputs(kNumInputs); + setNumOutputs(kNumOutputs); + setUniqueID(kUniqueId); + canProcessReplacing(); // supports output replacing + canDoubleReplacing(); // supports double precision processing + programsAreChunks(true); + vst_strncpy (_programName, "Default", kVstMaxProgNameLen); // default program name +} + +Srsly::~Srsly() {} +VstInt32 Srsly::getVendorVersion () {return 1000;} +void Srsly::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);} +void Srsly::getProgramName(char *name) {vst_strncpy (name, _programName, kVstMaxProgNameLen);} +//airwindows likes to ignore this stuff. Make your own programs, and make a different plugin rather than +//trying to do versioning and preventing people from using older versions. Maybe they like the old one! + +static float pinParameter(float data) +{ + if (data < 0.0f) return 0.0f; + if (data > 1.0f) return 1.0f; + return data; +} + +VstInt32 Srsly::getChunk (void** data, bool isPreset) +{ + float *chunkData = (float *)calloc(kNumParameters, sizeof(float)); + chunkData[0] = A; + chunkData[1] = B; + chunkData[2] = C; + chunkData[3] = D; + chunkData[4] = E; + /* Note: The way this is set up, it will break if you manage to save settings on an Intel + machine and load them on a PPC Mac. However, it's fine if you stick to the machine you + started with. */ + + *data = chunkData; + return kNumParameters * sizeof(float); +} + +VstInt32 Srsly::setChunk (void* data, VstInt32 byteSize, bool isPreset) +{ + float *chunkData = (float *)data; + A = pinParameter(chunkData[0]); + B = pinParameter(chunkData[1]); + C = pinParameter(chunkData[2]); + D = pinParameter(chunkData[3]); + E = pinParameter(chunkData[4]); + /* We're ignoring byteSize as we found it to be a filthy liar */ + + /* calculate any other fields you need here - you could copy in + code from setParameter() here. */ + return 0; +} + +void Srsly::setParameter(VstInt32 index, float value) { + switch (index) { + case kParamA: A = value; break; + case kParamB: B = value; break; + case kParamC: C = value; break; + case kParamD: D = value; break; + case kParamE: E = value; break; + default: throw; // unknown parameter, shouldn't happen! + } +} + +float Srsly::getParameter(VstInt32 index) { + switch (index) { + case kParamA: return A; break; + case kParamB: return B; break; + case kParamC: return C; break; + case kParamD: return D; break; + case kParamE: return E; break; + default: break; // unknown parameter, shouldn't happen! + } return 0.0; //we only need to update the relevant name, this is simple to manage +} + +void Srsly::getParameterName(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "Center", kVstMaxParamStrLen); break; + case kParamB: vst_strncpy (text, "Space", kVstMaxParamStrLen); break; + case kParamC: vst_strncpy (text, "Level", kVstMaxParamStrLen); break; + case kParamD: vst_strncpy (text, "Q", kVstMaxParamStrLen); break; + case kParamE: vst_strncpy (text, "Dry/Wet", kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } //this is our labels for displaying in the VST host +} + +void Srsly::getParameterDisplay(VstInt32 index, char *text) { + switch (index) { + case kParamA: float2string (A, text, kVstMaxParamStrLen); break; + case kParamB: float2string (B, text, kVstMaxParamStrLen); break; + case kParamC: float2string (C, text, kVstMaxParamStrLen); break; + case kParamD: float2string (D, text, kVstMaxParamStrLen); break; + case kParamE: float2string (E, text, kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } //this displays the values and handles 'popups' where it's discrete choices +} + +void Srsly::getParameterLabel(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "", kVstMaxParamStrLen); break; + case kParamB: vst_strncpy (text, "", kVstMaxParamStrLen); break; + case kParamC: vst_strncpy (text, "", kVstMaxParamStrLen); break; + case kParamD: vst_strncpy (text, "", kVstMaxParamStrLen); break; + case kParamE: vst_strncpy (text, "", kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } +} + +VstInt32 Srsly::canDo(char *text) +{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know + +bool Srsly::getEffectName(char* name) { + vst_strncpy(name, "Srsly", kVstMaxProductStrLen); return true; +} + +VstPlugCategory Srsly::getPlugCategory() {return kPlugCategEffect;} + +bool Srsly::getProductString(char* text) { + vst_strncpy (text, "airwindows Srsly", kVstMaxProductStrLen); return true; +} + +bool Srsly::getVendorString(char* text) { + vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true; +} diff --git a/plugins/LinuxVST/src/Srsly/Srsly.h b/plugins/LinuxVST/src/Srsly/Srsly.h new file mode 100755 index 0000000..292d58c --- /dev/null +++ b/plugins/LinuxVST/src/Srsly/Srsly.h @@ -0,0 +1,81 @@ +/* ======================================== + * Srsly - Srsly.h + * Created 8/12/11 by SPIAdmin + * Copyright (c) 2011 __MyCompanyName__, All rights reserved + * ======================================== */ + +#ifndef __Srsly_H +#define __Srsly_H + +#ifndef __audioeffect__ +#include "audioeffectx.h" +#endif + +#include <set> +#include <string> +#include <math.h> + +enum { + kParamA = 0, + kParamB = 1, + kParamC = 2, + kParamD = 3, + kParamE = 4, + kNumParameters = 5 +}; // + +const int kNumPrograms = 0; +const int kNumInputs = 2; +const int kNumOutputs = 2; +const unsigned long kUniqueId = 'srsl'; //Change this to what the AU identity is! + +class Srsly : + public AudioEffectX +{ +public: + Srsly(audioMasterCallback audioMaster); + ~Srsly(); + virtual bool getEffectName(char* name); // The plug-in name + virtual VstPlugCategory getPlugCategory(); // The general category for the plug-in + virtual bool getProductString(char* text); // This is a unique plug-in string provided by Steinberg + virtual bool getVendorString(char* text); // Vendor info + virtual VstInt32 getVendorVersion(); // Version number + virtual void processReplacing (float** inputs, float** outputs, VstInt32 sampleFrames); + virtual void processDoubleReplacing (double** inputs, double** outputs, VstInt32 sampleFrames); + virtual void getProgramName(char *name); // read the name from the host + virtual void setProgramName(char *name); // changes the name of the preset displayed in the host + virtual VstInt32 getChunk (void** data, bool isPreset); + virtual VstInt32 setChunk (void* data, VstInt32 byteSize, bool isPreset); + virtual float getParameter(VstInt32 index); // get the parameter value at the specified index + virtual void setParameter(VstInt32 index, float value); // set the parameter at index to value + virtual void getParameterLabel(VstInt32 index, char *text); // label for the parameter (eg dB) + virtual void getParameterName(VstInt32 index, char *text); // name of the parameter + virtual void getParameterDisplay(VstInt32 index, char *text); // text description of the current value + virtual VstInt32 canDo(char *text); +private: + char _programName[kVstMaxProgNameLen + 1]; + std::set< std::string > _canDo; + + long double biquadM2[11]; + long double biquadM7[11]; + long double biquadM10[11]; + + long double biquadL3[11]; + long double biquadL7[11]; + long double biquadR3[11]; + long double biquadR7[11]; + + long double biquadS3[11]; + long double biquadS5[11]; + + uint32_t fpd; + //default stuff + + float A; + float B; + float C; + float D; + float E; +}; + +#endif diff --git a/plugins/LinuxVST/src/Srsly/SrslyProc.cpp b/plugins/LinuxVST/src/Srsly/SrslyProc.cpp new file mode 100755 index 0000000..12a1b30 --- /dev/null +++ b/plugins/LinuxVST/src/Srsly/SrslyProc.cpp @@ -0,0 +1,484 @@ +/* ======================================== + * Srsly - Srsly.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Srsly_H +#include "Srsly.h" +#endif + +void Srsly::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + + double sampleRate = getSampleRate(); + if (sampleRate < 22000) sampleRate = 22000; //keep biquads in range + long double tempSample; + + biquadM2[0] = 2000 / sampleRate; //up + biquadM7[0] = 7000 / sampleRate; //down + biquadM10[0] = 10000 / sampleRate; //down + + biquadL3[0] = 3000 / sampleRate; //up + biquadL7[0] = 7000 / sampleRate; //way up + biquadR3[0] = 3000 / sampleRate; //up + biquadR7[0] = 7000 / sampleRate; //way up + + biquadS3[0] = 3000 / sampleRate; //up + biquadS5[0] = 5000 / sampleRate; //way down + + double focusM = 15.0-(A*10.0); + double focusS = 21.0-(B*15.0); + double Q = D+0.25; //add Q control: from half to double intensity + biquadM2[1] = focusM*0.25*Q; //Q, mid 2K boost is much broader + biquadM7[1] = focusM*Q; //Q + biquadM10[1] = focusM*Q; //Q + biquadS3[1] = focusM*Q; //Q + biquadS5[1] = focusM*Q; //Q + + biquadL3[1] = focusS*Q; //Q + biquadL7[1] = focusS*Q; //Q + biquadR3[1] = focusS*Q; //Q + biquadR7[1] = focusS*Q; //Q + + double K = tan(M_PI * biquadM2[0]); + double norm = 1.0 / (1.0 + K / biquadM2[1] + K * K); + biquadM2[2] = K / biquadM2[1] * norm; + biquadM2[4] = -biquadM2[2]; + biquadM2[5] = 2.0 * (K * K - 1.0) * norm; + biquadM2[6] = (1.0 - K / biquadM2[1] + K * K) * norm; + + K = tan(M_PI * biquadM7[0]); + norm = 1.0 / (1.0 + K / biquadM7[1] + K * K); + biquadM7[2] = K / biquadM7[1] * norm; + biquadM7[4] = -biquadM7[2]; + biquadM7[5] = 2.0 * (K * K - 1.0) * norm; + biquadM7[6] = (1.0 - K / biquadM7[1] + K * K) * norm; + + K = tan(M_PI * biquadM10[0]); + norm = 1.0 / (1.0 + K / biquadM10[1] + K * K); + biquadM10[2] = K / biquadM10[1] * norm; + biquadM10[4] = -biquadM10[2]; + biquadM10[5] = 2.0 * (K * K - 1.0) * norm; + biquadM10[6] = (1.0 - K / biquadM10[1] + K * K) * norm; + + K = tan(M_PI * biquadL3[0]); + norm = 1.0 / (1.0 + K / biquadL3[1] + K * K); + biquadL3[2] = K / biquadL3[1] * norm; + biquadL3[4] = -biquadL3[2]; + biquadL3[5] = 2.0 * (K * K - 1.0) * norm; + biquadL3[6] = (1.0 - K / biquadL3[1] + K * K) * norm; + + K = tan(M_PI * biquadL7[0]); + norm = 1.0 / (1.0 + K / biquadL7[1] + K * K); + biquadL7[2] = K / biquadL7[1] * norm; + biquadL7[4] = -biquadL7[2]; + biquadL7[5] = 2.0 * (K * K - 1.0) * norm; + biquadL7[6] = (1.0 - K / biquadL7[1] + K * K) * norm; + + K = tan(M_PI * biquadR3[0]); + norm = 1.0 / (1.0 + K / biquadR3[1] + K * K); + biquadR3[2] = K / biquadR3[1] * norm; + biquadR3[4] = -biquadR3[2]; + biquadR3[5] = 2.0 * (K * K - 1.0) * norm; + biquadR3[6] = (1.0 - K / biquadR3[1] + K * K) * norm; + + K = tan(M_PI * biquadR7[0]); + norm = 1.0 / (1.0 + K / biquadR7[1] + K * K); + biquadR7[2] = K / biquadR7[1] * norm; + biquadR7[4] = -biquadR7[2]; + biquadR7[5] = 2.0 * (K * K - 1.0) * norm; + biquadR7[6] = (1.0 - K / biquadR7[1] + K * K) * norm; + + K = tan(M_PI * biquadS3[0]); + norm = 1.0 / (1.0 + K / biquadS3[1] + K * K); + biquadS3[2] = K / biquadS3[1] * norm; + biquadS3[4] = -biquadS3[2]; + biquadS3[5] = 2.0 * (K * K - 1.0) * norm; + biquadS3[6] = (1.0 - K / biquadS3[1] + K * K) * norm; + + K = tan(M_PI * biquadS5[0]); + norm = 1.0 / (1.0 + K / biquadS5[1] + K * K); + biquadS5[2] = K / biquadS5[1] * norm; + biquadS5[4] = -biquadS5[2]; + biquadS5[5] = 2.0 * (K * K - 1.0) * norm; + biquadS5[6] = (1.0 - K / biquadS5[1] + K * K) * norm; + + double depthM = pow(A,2)*2.0;; //proportion to mix in the filtered stuff + double depthS = pow(B,2)*2.0;; //proportion to mix in the filtered stuff + double level = C; //output pad + double wet = E; //dry/wet + + //biquad contains these values: + //[0] is frequency: 0.000001 to 0.499999 is near-zero to near-Nyquist + //[1] is resonance, 0.7071 is Butterworth. Also can't be zero + //[2] is a0 but you need distinct ones for additional biquad instances so it's here + //[3] is a1 but you need distinct ones for additional biquad instances so it's here + //[4] is a2 but you need distinct ones for additional biquad instances so it's here + //[5] is b1 but you need distinct ones for additional biquad instances so it's here + //[6] is b2 but you need distinct ones for additional biquad instances so it's here + //[7] is LEFT stored delayed sample (freq and res are stored so you can move them sample by sample) + //[8] is LEFT stored delayed sample (you have to include the coefficient making code if you do that) + //[9] is RIGHT stored delayed sample (freq and res are stored so you can move them sample by sample) + //[10] is RIGHT stored delayed sample (you have to include the coefficient making code if you do that) + + while (--sampleFrames >= 0) + { + long double inputSampleL = *in1; + long double inputSampleR = *in2; + if (fabs(inputSampleL)<1.18e-37) inputSampleL = fpd * 1.18e-37; + if (fabs(inputSampleR)<1.18e-37) inputSampleR = fpd * 1.18e-37; + long double drySampleL = inputSampleL; + long double drySampleR = inputSampleR; + + inputSampleL = sin(inputSampleL); + inputSampleR = sin(inputSampleR); + //encode Console5: good cleanness + + long double mid = inputSampleL + inputSampleR; + long double rawmid = mid * 0.5; //we'll use this to isolate L&R a little + long double side = inputSampleL - inputSampleR; + long double boostside = side * depthS; + //assign mid and side.Between these sections, you can do mid/side processing + + tempSample = (mid * biquadM2[2]) + biquadM2[7]; + biquadM2[7] = (-tempSample * biquadM2[5]) + biquadM2[8]; + biquadM2[8] = (mid * biquadM2[4]) - (tempSample * biquadM2[6]); + long double M2Sample = tempSample; //like mono AU, 7 and 8 store L channel + + tempSample = (mid * biquadM7[2]) + biquadM7[7]; + biquadM7[7] = (-tempSample * biquadM7[5]) + biquadM7[8]; + biquadM7[8] = (mid * biquadM7[4]) - (tempSample * biquadM7[6]); + long double M7Sample = -tempSample*2.0; //like mono AU, 7 and 8 store L channel + + tempSample = (mid * biquadM10[2]) + biquadM10[7]; + biquadM10[7] = (-tempSample * biquadM10[5]) + biquadM10[8]; + biquadM10[8] = (mid * biquadM10[4]) - (tempSample * biquadM10[6]); + long double M10Sample = -tempSample*2.0; //like mono AU, 7 and 8 store L channel + //mid + + tempSample = (side * biquadS3[2]) + biquadS3[7]; + biquadS3[7] = (-tempSample * biquadS3[5]) + biquadS3[8]; + biquadS3[8] = (side * biquadS3[4]) - (tempSample * biquadS3[6]); + long double S3Sample = tempSample*2.0; //like mono AU, 7 and 8 store L channel + + tempSample = (side * biquadS5[2]) + biquadS5[7]; + biquadS5[7] = (-tempSample * biquadS5[5]) + biquadS5[8]; + biquadS5[8] = (side * biquadS5[4]) - (tempSample * biquadS5[6]); + long double S5Sample = -tempSample*5.0; //like mono AU, 7 and 8 store L channel + + mid = (M2Sample + M7Sample + M10Sample)*depthM; + side = (S3Sample + S5Sample + boostside)*depthS; + + long double msOutSampleL = (mid+side)/2.0; + long double msOutSampleR = (mid-side)/2.0; + //unassign mid and side + + long double isoSampleL = inputSampleL-rawmid; + long double isoSampleR = inputSampleR-rawmid; //trying to isolate L and R a little + + tempSample = (isoSampleL * biquadL3[2]) + biquadL3[7]; + biquadL3[7] = (-tempSample * biquadL3[5]) + biquadL3[8]; + biquadL3[8] = (isoSampleL * biquadL3[4]) - (tempSample * biquadL3[6]); + long double L3Sample = tempSample; //like mono AU, 7 and 8 store L channel + + tempSample = (isoSampleR * biquadR3[2]) + biquadR3[9]; + biquadR3[9] = (-tempSample * biquadR3[5]) + biquadR3[10]; + biquadR3[10] = (isoSampleR * biquadR3[4]) - (tempSample * biquadR3[6]); + long double R3Sample = tempSample; //note: 9 and 10 store the R channel + + tempSample = (isoSampleL * biquadL7[2]) + biquadL7[7]; + biquadL7[7] = (-tempSample * biquadL7[5]) + biquadL7[8]; + biquadL7[8] = (isoSampleL * biquadL7[4]) - (tempSample * biquadL7[6]); + long double L7Sample = tempSample*3.0; //like mono AU, 7 and 8 store L channel + + tempSample = (isoSampleR * biquadR7[2]) + biquadR7[9]; + biquadR7[9] = (-tempSample * biquadR7[5]) + biquadR7[10]; + biquadR7[10] = (isoSampleR * biquadR7[4]) - (tempSample * biquadR7[6]); + long double R7Sample = tempSample*3.0; //note: 9 and 10 store the R channel + + long double processingL = msOutSampleL + ((L3Sample + L7Sample)*depthS); + long double processingR = msOutSampleR + ((R3Sample + R7Sample)*depthS); + //done with making filters, now we apply them + + inputSampleL += processingL; + inputSampleR += processingR; + + if (level < 1.0) { + inputSampleL *= level; + inputSampleR *= level; + } + + if (inputSampleL > 1.0) inputSampleL = 1.0; + if (inputSampleL < -1.0) inputSampleL = -1.0; + if (inputSampleR > 1.0) inputSampleR = 1.0; + if (inputSampleR < -1.0) inputSampleR = -1.0; + //without this, you can get a NaN condition where it spits out DC offset at full blast! + inputSampleL = asin(inputSampleL); + inputSampleR = asin(inputSampleR); + //amplitude aspect + + if (wet < 1.0) { + inputSampleL = (inputSampleL * wet)+(drySampleL * (1.0-wet)); + inputSampleR = (inputSampleR * wet)+(drySampleR * (1.0-wet)); + } + + //begin 32 bit stereo floating point dither + int expon; frexpf((float)inputSampleL, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSampleL += ((double(fpd)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62)); + frexpf((float)inputSampleR, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSampleR += ((double(fpd)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62)); + //end 32 bit stereo floating point dither + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } +} + +void Srsly::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + + double sampleRate = getSampleRate(); + if (sampleRate < 22000) sampleRate = 22000; //keep biquads in range + long double tempSample; + + biquadM2[0] = 2000 / sampleRate; //up + biquadM7[0] = 7000 / sampleRate; //down + biquadM10[0] = 10000 / sampleRate; //down + + biquadL3[0] = 3000 / sampleRate; //up + biquadL7[0] = 7000 / sampleRate; //way up + biquadR3[0] = 3000 / sampleRate; //up + biquadR7[0] = 7000 / sampleRate; //way up + + biquadS3[0] = 3000 / sampleRate; //up + biquadS5[0] = 5000 / sampleRate; //way down + + double focusM = 15.0-(A*10.0); + double focusS = 21.0-(B*15.0); + double Q = D+0.25; //add Q control: from half to double intensity + biquadM2[1] = focusM*0.25*Q; //Q, mid 2K boost is much broader + biquadM7[1] = focusM*Q; //Q + biquadM10[1] = focusM*Q; //Q + biquadS3[1] = focusM*Q; //Q + biquadS5[1] = focusM*Q; //Q + + biquadL3[1] = focusS*Q; //Q + biquadL7[1] = focusS*Q; //Q + biquadR3[1] = focusS*Q; //Q + biquadR7[1] = focusS*Q; //Q + + double K = tan(M_PI * biquadM2[0]); + double norm = 1.0 / (1.0 + K / biquadM2[1] + K * K); + biquadM2[2] = K / biquadM2[1] * norm; + biquadM2[4] = -biquadM2[2]; + biquadM2[5] = 2.0 * (K * K - 1.0) * norm; + biquadM2[6] = (1.0 - K / biquadM2[1] + K * K) * norm; + + K = tan(M_PI * biquadM7[0]); + norm = 1.0 / (1.0 + K / biquadM7[1] + K * K); + biquadM7[2] = K / biquadM7[1] * norm; + biquadM7[4] = -biquadM7[2]; + biquadM7[5] = 2.0 * (K * K - 1.0) * norm; + biquadM7[6] = (1.0 - K / biquadM7[1] + K * K) * norm; + + K = tan(M_PI * biquadM10[0]); + norm = 1.0 / (1.0 + K / biquadM10[1] + K * K); + biquadM10[2] = K / biquadM10[1] * norm; + biquadM10[4] = -biquadM10[2]; + biquadM10[5] = 2.0 * (K * K - 1.0) * norm; + biquadM10[6] = (1.0 - K / biquadM10[1] + K * K) * norm; + + K = tan(M_PI * biquadL3[0]); + norm = 1.0 / (1.0 + K / biquadL3[1] + K * K); + biquadL3[2] = K / biquadL3[1] * norm; + biquadL3[4] = -biquadL3[2]; + biquadL3[5] = 2.0 * (K * K - 1.0) * norm; + biquadL3[6] = (1.0 - K / biquadL3[1] + K * K) * norm; + + K = tan(M_PI * biquadL7[0]); + norm = 1.0 / (1.0 + K / biquadL7[1] + K * K); + biquadL7[2] = K / biquadL7[1] * norm; + biquadL7[4] = -biquadL7[2]; + biquadL7[5] = 2.0 * (K * K - 1.0) * norm; + biquadL7[6] = (1.0 - K / biquadL7[1] + K * K) * norm; + + K = tan(M_PI * biquadR3[0]); + norm = 1.0 / (1.0 + K / biquadR3[1] + K * K); + biquadR3[2] = K / biquadR3[1] * norm; + biquadR3[4] = -biquadR3[2]; + biquadR3[5] = 2.0 * (K * K - 1.0) * norm; + biquadR3[6] = (1.0 - K / biquadR3[1] + K * K) * norm; + + K = tan(M_PI * biquadR7[0]); + norm = 1.0 / (1.0 + K / biquadR7[1] + K * K); + biquadR7[2] = K / biquadR7[1] * norm; + biquadR7[4] = -biquadR7[2]; + biquadR7[5] = 2.0 * (K * K - 1.0) * norm; + biquadR7[6] = (1.0 - K / biquadR7[1] + K * K) * norm; + + K = tan(M_PI * biquadS3[0]); + norm = 1.0 / (1.0 + K / biquadS3[1] + K * K); + biquadS3[2] = K / biquadS3[1] * norm; + biquadS3[4] = -biquadS3[2]; + biquadS3[5] = 2.0 * (K * K - 1.0) * norm; + biquadS3[6] = (1.0 - K / biquadS3[1] + K * K) * norm; + + K = tan(M_PI * biquadS5[0]); + norm = 1.0 / (1.0 + K / biquadS5[1] + K * K); + biquadS5[2] = K / biquadS5[1] * norm; + biquadS5[4] = -biquadS5[2]; + biquadS5[5] = 2.0 * (K * K - 1.0) * norm; + biquadS5[6] = (1.0 - K / biquadS5[1] + K * K) * norm; + + double depthM = pow(A,2)*2.0;; //proportion to mix in the filtered stuff + double depthS = pow(B,2)*2.0;; //proportion to mix in the filtered stuff + double level = C; //output pad + double wet = E; //dry/wet + + //biquad contains these values: + //[0] is frequency: 0.000001 to 0.499999 is near-zero to near-Nyquist + //[1] is resonance, 0.7071 is Butterworth. Also can't be zero + //[2] is a0 but you need distinct ones for additional biquad instances so it's here + //[3] is a1 but you need distinct ones for additional biquad instances so it's here + //[4] is a2 but you need distinct ones for additional biquad instances so it's here + //[5] is b1 but you need distinct ones for additional biquad instances so it's here + //[6] is b2 but you need distinct ones for additional biquad instances so it's here + //[7] is LEFT stored delayed sample (freq and res are stored so you can move them sample by sample) + //[8] is LEFT stored delayed sample (you have to include the coefficient making code if you do that) + //[9] is RIGHT stored delayed sample (freq and res are stored so you can move them sample by sample) + //[10] is RIGHT stored delayed sample (you have to include the coefficient making code if you do that) + + while (--sampleFrames >= 0) + { + long double inputSampleL = *in1; + long double inputSampleR = *in2; + if (fabs(inputSampleL)<1.18e-43) inputSampleL = fpd * 1.18e-43; + if (fabs(inputSampleR)<1.18e-43) inputSampleR = fpd * 1.18e-43; + long double drySampleL = inputSampleL; + long double drySampleR = inputSampleR; + + inputSampleL = sin(inputSampleL); + inputSampleR = sin(inputSampleR); + //encode Console5: good cleanness + + long double mid = inputSampleL + inputSampleR; + long double rawmid = mid * 0.5; //we'll use this to isolate L&R a little + long double side = inputSampleL - inputSampleR; + long double boostside = side * depthS; + //assign mid and side.Between these sections, you can do mid/side processing + + tempSample = (mid * biquadM2[2]) + biquadM2[7]; + biquadM2[7] = (-tempSample * biquadM2[5]) + biquadM2[8]; + biquadM2[8] = (mid * biquadM2[4]) - (tempSample * biquadM2[6]); + long double M2Sample = tempSample; //like mono AU, 7 and 8 store L channel + + tempSample = (mid * biquadM7[2]) + biquadM7[7]; + biquadM7[7] = (-tempSample * biquadM7[5]) + biquadM7[8]; + biquadM7[8] = (mid * biquadM7[4]) - (tempSample * biquadM7[6]); + long double M7Sample = -tempSample*2.0; //like mono AU, 7 and 8 store L channel + + tempSample = (mid * biquadM10[2]) + biquadM10[7]; + biquadM10[7] = (-tempSample * biquadM10[5]) + biquadM10[8]; + biquadM10[8] = (mid * biquadM10[4]) - (tempSample * biquadM10[6]); + long double M10Sample = -tempSample*2.0; //like mono AU, 7 and 8 store L channel + //mid + + tempSample = (side * biquadS3[2]) + biquadS3[7]; + biquadS3[7] = (-tempSample * biquadS3[5]) + biquadS3[8]; + biquadS3[8] = (side * biquadS3[4]) - (tempSample * biquadS3[6]); + long double S3Sample = tempSample*2.0; //like mono AU, 7 and 8 store L channel + + tempSample = (side * biquadS5[2]) + biquadS5[7]; + biquadS5[7] = (-tempSample * biquadS5[5]) + biquadS5[8]; + biquadS5[8] = (side * biquadS5[4]) - (tempSample * biquadS5[6]); + long double S5Sample = -tempSample*5.0; //like mono AU, 7 and 8 store L channel + + mid = (M2Sample + M7Sample + M10Sample)*depthM; + side = (S3Sample + S5Sample + boostside)*depthS; + + long double msOutSampleL = (mid+side)/2.0; + long double msOutSampleR = (mid-side)/2.0; + //unassign mid and side + + long double isoSampleL = inputSampleL-rawmid; + long double isoSampleR = inputSampleR-rawmid; //trying to isolate L and R a little + + tempSample = (isoSampleL * biquadL3[2]) + biquadL3[7]; + biquadL3[7] = (-tempSample * biquadL3[5]) + biquadL3[8]; + biquadL3[8] = (isoSampleL * biquadL3[4]) - (tempSample * biquadL3[6]); + long double L3Sample = tempSample; //like mono AU, 7 and 8 store L channel + + tempSample = (isoSampleR * biquadR3[2]) + biquadR3[9]; + biquadR3[9] = (-tempSample * biquadR3[5]) + biquadR3[10]; + biquadR3[10] = (isoSampleR * biquadR3[4]) - (tempSample * biquadR3[6]); + long double R3Sample = tempSample; //note: 9 and 10 store the R channel + + tempSample = (isoSampleL * biquadL7[2]) + biquadL7[7]; + biquadL7[7] = (-tempSample * biquadL7[5]) + biquadL7[8]; + biquadL7[8] = (isoSampleL * biquadL7[4]) - (tempSample * biquadL7[6]); + long double L7Sample = tempSample*3.0; //like mono AU, 7 and 8 store L channel + + tempSample = (isoSampleR * biquadR7[2]) + biquadR7[9]; + biquadR7[9] = (-tempSample * biquadR7[5]) + biquadR7[10]; + biquadR7[10] = (isoSampleR * biquadR7[4]) - (tempSample * biquadR7[6]); + long double R7Sample = tempSample*3.0; //note: 9 and 10 store the R channel + + long double processingL = msOutSampleL + ((L3Sample + L7Sample)*depthS); + long double processingR = msOutSampleR + ((R3Sample + R7Sample)*depthS); + //done with making filters, now we apply them + + inputSampleL += processingL; + inputSampleR += processingR; + + if (level < 1.0) { + inputSampleL *= level; + inputSampleR *= level; + } + + if (inputSampleL > 1.0) inputSampleL = 1.0; + if (inputSampleL < -1.0) inputSampleL = -1.0; + if (inputSampleR > 1.0) inputSampleR = 1.0; + if (inputSampleR < -1.0) inputSampleR = -1.0; + //without this, you can get a NaN condition where it spits out DC offset at full blast! + inputSampleL = asin(inputSampleL); + inputSampleR = asin(inputSampleR); + //amplitude aspect + + if (wet < 1.0) { + inputSampleL = (inputSampleL * wet)+(drySampleL * (1.0-wet)); + inputSampleR = (inputSampleR * wet)+(drySampleR * (1.0-wet)); + } + + //begin 64 bit stereo floating point dither + int expon; frexp((double)inputSampleL, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSampleL += ((double(fpd)-uint32_t(0x7fffffff)) * 1.1e-44l * pow(2,expon+62)); + frexp((double)inputSampleR, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSampleR += ((double(fpd)-uint32_t(0x7fffffff)) * 1.1e-44l * pow(2,expon+62)); + //end 64 bit stereo floating point dither + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } +} |