diff options
author | Chris Johnson <jinx6568@sover.net> | 2018-10-22 18:04:06 -0400 |
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committer | Chris Johnson <jinx6568@sover.net> | 2018-10-22 18:04:06 -0400 |
commit | 633be2e22c6648c901f08f3b4cd4e8e14ea86443 (patch) | |
tree | 1e272c3d2b5bd29636b9f9f521af62734e4df012 /plugins/MacVST/FromTape/source | |
parent | 057757aa8eb0a463caf0cdfdb5894ac5f723ff3f (diff) | |
download | airwindows-lv2-port-633be2e22c6648c901f08f3b4cd4e8e14ea86443.tar.gz airwindows-lv2-port-633be2e22c6648c901f08f3b4cd4e8e14ea86443.tar.bz2 airwindows-lv2-port-633be2e22c6648c901f08f3b4cd4e8e14ea86443.zip |
Updates (in case my plane crashes)
Diffstat (limited to 'plugins/MacVST/FromTape/source')
-rwxr-xr-x | plugins/MacVST/FromTape/source/FromTape.cpp | 219 | ||||
-rwxr-xr-x | plugins/MacVST/FromTape/source/FromTape.h | 138 | ||||
-rwxr-xr-x | plugins/MacVST/FromTape/source/FromTapeProc.cpp | 502 |
3 files changed, 859 insertions, 0 deletions
diff --git a/plugins/MacVST/FromTape/source/FromTape.cpp b/plugins/MacVST/FromTape/source/FromTape.cpp new file mode 100755 index 0000000..55c5ced --- /dev/null +++ b/plugins/MacVST/FromTape/source/FromTape.cpp @@ -0,0 +1,219 @@ +/* ======================================== + * FromTape - FromTape.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __FromTape_H +#include "FromTape.h" +#endif + +AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new FromTape(audioMaster);} + +FromTape::FromTape(audioMasterCallback audioMaster) : + AudioEffectX(audioMaster, kNumPrograms, kNumParameters) +{ + A = 0.5; + B = 0.5; + C = 0.5; + D = 0.5; + E = 1.0; + + iirMidRollerAL = 0.0; + iirMidRollerBL = 0.0; + iirMidRollerCL = 0.0; + + iirMidRollerAR = 0.0; + iirMidRollerBR = 0.0; + iirMidRollerCR = 0.0; + + iirSampleAL = 0.0; + iirSampleBL = 0.0; + iirSampleCL = 0.0; + iirSampleDL = 0.0; + iirSampleEL = 0.0; + iirSampleFL = 0.0; + iirSampleGL = 0.0; + iirSampleHL = 0.0; + iirSampleIL = 0.0; + iirSampleJL = 0.0; + iirSampleKL = 0.0; + iirSampleLL = 0.0; + iirSampleML = 0.0; + iirSampleNL = 0.0; + iirSampleOL = 0.0; + iirSamplePL = 0.0; + iirSampleQL = 0.0; + iirSampleRL = 0.0; + iirSampleSL = 0.0; + iirSampleTL = 0.0; + iirSampleUL = 0.0; + iirSampleVL = 0.0; + iirSampleWL = 0.0; + iirSampleXL = 0.0; + iirSampleYL = 0.0; + iirSampleZL = 0.0; + + iirSampleAR = 0.0; + iirSampleBR = 0.0; + iirSampleCR = 0.0; + iirSampleDR = 0.0; + iirSampleER = 0.0; + iirSampleFR = 0.0; + iirSampleGR = 0.0; + iirSampleHR = 0.0; + iirSampleIR = 0.0; + iirSampleJR = 0.0; + iirSampleKR = 0.0; + iirSampleLR = 0.0; + iirSampleMR = 0.0; + iirSampleNR = 0.0; + iirSampleOR = 0.0; + iirSamplePR = 0.0; + iirSampleQR = 0.0; + iirSampleRR = 0.0; + iirSampleSR = 0.0; + iirSampleTR = 0.0; + iirSampleUR = 0.0; + iirSampleVR = 0.0; + iirSampleWR = 0.0; + iirSampleXR = 0.0; + iirSampleYR = 0.0; + iirSampleZR = 0.0; + + flip = 0; + + fpNShapeLA = 0.0; + fpNShapeLB = 0.0; + fpNShapeRA = 0.0; + fpNShapeRB = 0.0; + fpFlip = true; + //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 +} + +FromTape::~FromTape() {} +VstInt32 FromTape::getVendorVersion () {return 1000;} +void FromTape::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);} +void FromTape::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 FromTape::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 FromTape::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 FromTape::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 FromTape::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 FromTape::getParameterName(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "Louder", kVstMaxParamStrLen); break; + case kParamB: vst_strncpy (text, "Softer", kVstMaxParamStrLen); break; + case kParamC: vst_strncpy (text, "Weight", kVstMaxParamStrLen); break; + case kParamD: vst_strncpy (text, "Output", 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 FromTape::getParameterDisplay(VstInt32 index, char *text) { + switch (index) { + case kParamA: float2string (A*2, text, kVstMaxParamStrLen); break; + case kParamB: float2string (B, text, kVstMaxParamStrLen); break; + case kParamC: float2string (C, text, kVstMaxParamStrLen); break; + case kParamD: float2string (D*2, 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 FromTape::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 FromTape::canDo(char *text) +{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know + +bool FromTape::getEffectName(char* name) { + vst_strncpy(name, "FromTape", kVstMaxProductStrLen); return true; +} + +VstPlugCategory FromTape::getPlugCategory() {return kPlugCategEffect;} + +bool FromTape::getProductString(char* text) { + vst_strncpy (text, "airwindows FromTape", kVstMaxProductStrLen); return true; +} + +bool FromTape::getVendorString(char* text) { + vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true; +} diff --git a/plugins/MacVST/FromTape/source/FromTape.h b/plugins/MacVST/FromTape/source/FromTape.h new file mode 100755 index 0000000..376b767 --- /dev/null +++ b/plugins/MacVST/FromTape/source/FromTape.h @@ -0,0 +1,138 @@ +/* ======================================== + * FromTape - FromTape.h + * Created 8/12/11 by SPIAdmin + * Copyright (c) 2011 __MyCompanyName__, All rights reserved + * ======================================== */ + +#ifndef __FromTape_H +#define __FromTape_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 = 'frts'; //Change this to what the AU identity is! + +class FromTape : + public AudioEffectX +{ +public: + FromTape(audioMasterCallback audioMaster); + ~FromTape(); + 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; + + int flip; + + double iirMidRollerAL; + double iirMidRollerBL; + double iirMidRollerCL; + + double iirMidRollerAR; + double iirMidRollerBR; + double iirMidRollerCR; + + double iirSampleAL; + double iirSampleBL; + double iirSampleCL; + double iirSampleDL; + double iirSampleEL; + double iirSampleFL; + double iirSampleGL; + double iirSampleHL; + double iirSampleIL; + double iirSampleJL; + double iirSampleKL; + double iirSampleLL; + double iirSampleML; + double iirSampleNL; + double iirSampleOL; + double iirSamplePL; + double iirSampleQL; + double iirSampleRL; + double iirSampleSL; + double iirSampleTL; + double iirSampleUL; + double iirSampleVL; + double iirSampleWL; + double iirSampleXL; + double iirSampleYL; + double iirSampleZL; + + double iirSampleAR; + double iirSampleBR; + double iirSampleCR; + double iirSampleDR; + double iirSampleER; + double iirSampleFR; + double iirSampleGR; + double iirSampleHR; + double iirSampleIR; + double iirSampleJR; + double iirSampleKR; + double iirSampleLR; + double iirSampleMR; + double iirSampleNR; + double iirSampleOR; + double iirSamplePR; + double iirSampleQR; + double iirSampleRR; + double iirSampleSR; + double iirSampleTR; + double iirSampleUR; + double iirSampleVR; + double iirSampleWR; + double iirSampleXR; + double iirSampleYR; + double iirSampleZR; + + long double fpNShapeLA; + long double fpNShapeLB; + long double fpNShapeRA; + long double fpNShapeRB; + bool fpFlip; + //default stuff + + float A; + float B; + float C; + float D; + float E; + +}; + +#endif diff --git a/plugins/MacVST/FromTape/source/FromTapeProc.cpp b/plugins/MacVST/FromTape/source/FromTapeProc.cpp new file mode 100755 index 0000000..42753e5 --- /dev/null +++ b/plugins/MacVST/FromTape/source/FromTapeProc.cpp @@ -0,0 +1,502 @@ +/* ======================================== + * FromTape - FromTape.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __FromTape_H +#include "FromTape.h" +#endif + +void FromTape::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + + double overallscale = 1.0; + overallscale /= 44100.0; + overallscale *= getSampleRate(); + double inputgain = A*2.0; + double SoftenControl = B; + double RollAmount = (1.0-SoftenControl)/overallscale; + double iirAmount = (0.004*(1.0-C))/overallscale; + double altAmount = 1.0 - iirAmount; + double outputgain = D*2.0; + double wet = E; + double dry = 1.0 - wet; + double HighsSampleL = 0.0; + double SubtractL; + double bridgerectifierL; + double tempSampleL; + double drySampleL; + double HighsSampleR = 0.0; + double SubtractR; + double bridgerectifierR; + double tempSampleR; + double drySampleR; + double randy; + double invrandy; + float fpTemp; + long double fpOld = 0.618033988749894848204586; //golden ratio! + long double fpNew = 1.0 - fpOld; + long double inputSampleL; + long double inputSampleR; + + + while (--sampleFrames >= 0) + { + inputSampleL = *in1; + inputSampleR = *in2; + if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) { + static int noisesource = 0; + //this declares a variable before anything else is compiled. It won't keep assigning + //it to 0 for every sample, it's as if the declaration doesn't exist in this context, + //but it lets me add this denormalization fix in a single place rather than updating + //it in three different locations. The variable isn't thread-safe but this is only + //a random seed and we can share it with whatever. + noisesource = noisesource % 1700021; noisesource++; + int residue = noisesource * noisesource; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + double applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleL = applyresidue; + } + if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) { + static int noisesource = 0; + noisesource = noisesource % 1700021; noisesource++; + int residue = noisesource * noisesource; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + double applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleR = applyresidue; + //this denormalization routine produces a white noise at -300 dB which the noise + //shaping will interact with to produce a bipolar output, but the noise is actually + //all positive. That should stop any variables from going denormal, and the routine + //only kicks in if digital black is input. As a final touch, if you save to 24-bit + //the silence will return to being digital black again. + } + drySampleL = inputSampleL; + drySampleR = inputSampleR; + + if (inputgain != 1.0) { + inputSampleL *= inputgain; + inputSampleR *= inputgain; + } + + randy = (rand()/(double)RAND_MAX) * SoftenControl; //for soften + invrandy = (1.0-randy); + randy /= 2.0; + //we've set up so that we dial in the amount of the alt sections (in pairs) with invrandy being the source section + + SubtractL = 0.0; + SubtractR = 0.0; + tempSampleL = inputSampleL; + tempSampleR = inputSampleR; + + iirSampleAL = (iirSampleAL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleAL; SubtractL += iirSampleAL; + iirSampleBL = (iirSampleBL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleBL; SubtractL += iirSampleBL; + iirSampleCL = (iirSampleCL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleCL; SubtractL += iirSampleCL; + iirSampleDL = (iirSampleDL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleDL; SubtractL += iirSampleDL; + iirSampleEL = (iirSampleEL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleEL; SubtractL += iirSampleEL; + iirSampleFL = (iirSampleFL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleFL; SubtractL += iirSampleFL; + iirSampleGL = (iirSampleGL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleGL; SubtractL += iirSampleGL; + iirSampleHL = (iirSampleHL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleHL; SubtractL += iirSampleHL; + iirSampleIL = (iirSampleIL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleIL; SubtractL += iirSampleIL; + iirSampleJL = (iirSampleJL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleJL; SubtractL += iirSampleJL; + iirSampleKL = (iirSampleKL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleKL; SubtractL += iirSampleKL; + iirSampleLL = (iirSampleLL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleLL; SubtractL += iirSampleLL; + iirSampleML = (iirSampleML * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleML; SubtractL += iirSampleML; + iirSampleNL = (iirSampleNL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleNL; SubtractL += iirSampleNL; + iirSampleOL = (iirSampleOL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleOL; SubtractL += iirSampleOL; + iirSamplePL = (iirSamplePL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSamplePL; SubtractL += iirSamplePL; + iirSampleQL = (iirSampleQL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleQL; SubtractL += iirSampleQL; + iirSampleRL = (iirSampleRL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleRL; SubtractL += iirSampleRL; + iirSampleSL = (iirSampleSL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleSL; SubtractL += iirSampleSL; + iirSampleTL = (iirSampleTL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleTL; SubtractL += iirSampleTL; + iirSampleUL = (iirSampleUL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleUL; SubtractL += iirSampleUL; + iirSampleVL = (iirSampleVL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleVL; SubtractL += iirSampleVL; + iirSampleWL = (iirSampleWL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleWL; SubtractL += iirSampleWL; + iirSampleXL = (iirSampleXL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleXL; SubtractL += iirSampleXL; + iirSampleYL = (iirSampleYL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleYL; SubtractL += iirSampleYL; + iirSampleZL = (iirSampleZL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleZL; SubtractL += iirSampleZL; + + iirSampleAR = (iirSampleAR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleAR; SubtractR += iirSampleAR; + iirSampleBR = (iirSampleBR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleBR; SubtractR += iirSampleBR; + iirSampleCR = (iirSampleCR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleCR; SubtractR += iirSampleCR; + iirSampleDR = (iirSampleDR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleDR; SubtractR += iirSampleDR; + iirSampleER = (iirSampleER * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleER; SubtractR += iirSampleER; + iirSampleFR = (iirSampleFR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleFR; SubtractR += iirSampleFR; + iirSampleGR = (iirSampleGR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleGR; SubtractR += iirSampleGR; + iirSampleHR = (iirSampleHR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleHR; SubtractR += iirSampleHR; + iirSampleIR = (iirSampleIR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleIR; SubtractR += iirSampleIR; + iirSampleJR = (iirSampleJR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleJR; SubtractR += iirSampleJR; + iirSampleKR = (iirSampleKR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleKR; SubtractR += iirSampleKR; + iirSampleLR = (iirSampleLR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleLR; SubtractR += iirSampleLR; + iirSampleMR = (iirSampleMR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleMR; SubtractR += iirSampleMR; + iirSampleNR = (iirSampleNR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleNR; SubtractR += iirSampleNR; + iirSampleOR = (iirSampleOR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleOR; SubtractR += iirSampleOR; + iirSamplePR = (iirSamplePR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSamplePR; SubtractR += iirSamplePR; + iirSampleQR = (iirSampleQR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleQR; SubtractR += iirSampleQR; + iirSampleRR = (iirSampleRR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleRR; SubtractR += iirSampleRR; + iirSampleSR = (iirSampleSR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleSR; SubtractR += iirSampleSR; + iirSampleTR = (iirSampleTR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleTR; SubtractR += iirSampleTR; + iirSampleUR = (iirSampleUR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleUR; SubtractR += iirSampleUR; + iirSampleVR = (iirSampleVR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleVR; SubtractR += iirSampleVR; + iirSampleWR = (iirSampleWR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleWR; SubtractR += iirSampleWR; + iirSampleXR = (iirSampleXR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleXR; SubtractR += iirSampleXR; + iirSampleYR = (iirSampleYR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleYR; SubtractR += iirSampleYR; + iirSampleZR = (iirSampleZR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleZR; SubtractR += iirSampleZR; + //do the IIR on a dummy sample, and store up the correction in a variable at the same scale as the very low level + //numbers being used. Don't keep doing it against the possibly high level signal number. + //This has been known to add a resonant quality to the cutoff, which we're using on purpose. + inputSampleL -= SubtractL; + inputSampleR -= SubtractR; + //apply stored up tiny corrections. + + + if (flip < 1 || flip > 3) flip = 1; + switch (flip) + { + case 1: + iirMidRollerAL = (iirMidRollerAL * (1.0 - RollAmount)) + (inputSampleL * RollAmount); + iirMidRollerAL = (invrandy * iirMidRollerAL) + (randy * iirMidRollerBL) + (randy * iirMidRollerCL); + HighsSampleL = inputSampleL - iirMidRollerAL; + iirMidRollerAR = (iirMidRollerAR * (1.0 - RollAmount)) + (inputSampleR * RollAmount); + iirMidRollerAR = (invrandy * iirMidRollerAR) + (randy * iirMidRollerBR) + (randy * iirMidRollerCR); + HighsSampleR = inputSampleR - iirMidRollerAR; + break; + case 2: + iirMidRollerBL = (iirMidRollerBL * (1.0 - RollAmount)) + (inputSampleL * RollAmount); + iirMidRollerBL = (randy * iirMidRollerAL) + (invrandy * iirMidRollerBL) + (randy * iirMidRollerCL); + HighsSampleL = inputSampleL - iirMidRollerBL; + iirMidRollerBR = (iirMidRollerBR * (1.0 - RollAmount)) + (inputSampleR * RollAmount); + iirMidRollerBR = (randy * iirMidRollerAR) + (invrandy * iirMidRollerBR) + (randy * iirMidRollerCR); + HighsSampleR = inputSampleR - iirMidRollerBR; + break; + case 3: + iirMidRollerCL = (iirMidRollerCL * (1.0 - RollAmount)) + (inputSampleL * RollAmount); + iirMidRollerCL = (randy * iirMidRollerAL) + (randy * iirMidRollerBL) + (invrandy * iirMidRollerCL); + HighsSampleL = inputSampleL - iirMidRollerCL; + iirMidRollerCR = (iirMidRollerCR * (1.0 - RollAmount)) + (inputSampleR * RollAmount); + iirMidRollerCR = (randy * iirMidRollerAR) + (randy * iirMidRollerBR) + (invrandy * iirMidRollerCR); + HighsSampleR = inputSampleR - iirMidRollerCR; + break; + } + flip++; //increment the triplet counter + + SubtractL = HighsSampleL; + bridgerectifierL = fabs(SubtractL)*1.57079633; + if (bridgerectifierL > 1.57079633) bridgerectifierL = 1.57079633; + bridgerectifierL = 1-cos(bridgerectifierL); + if (SubtractL > 0) SubtractL = bridgerectifierL; + if (SubtractL < 0) SubtractL = -bridgerectifierL; + inputSampleL -= SubtractL; + + SubtractR = HighsSampleR; + bridgerectifierR = fabs(SubtractR)*1.57079633; + if (bridgerectifierR > 1.57079633) bridgerectifierR = 1.57079633; + bridgerectifierR = 1-cos(bridgerectifierR); + if (SubtractR > 0) SubtractR = bridgerectifierR; + if (SubtractR < 0) SubtractR = -bridgerectifierR; + inputSampleR -= SubtractR; + //Soften works using the MidRoller stuff, defining a bright parallel channel that we apply negative Density + //to, and then subtract from the main audio. That makes the 'highs channel subtract' hit only the loudest + //transients, plus we are subtracting any artifacts we got from the negative Density. + + if (outputgain != 1.0) { + inputSampleL *= outputgain; + inputSampleR *= outputgain; + } + + if (wet !=1.0) { + inputSampleL = (inputSampleL * wet) + (drySampleL * dry); + inputSampleR = (inputSampleR * wet) + (drySampleR * dry); + } + + //noise shaping to 32-bit floating point + if (fpFlip) { + fpTemp = inputSampleL; + fpNShapeLA = (fpNShapeLA*fpOld)+((inputSampleL-fpTemp)*fpNew); + inputSampleL += fpNShapeLA; + fpTemp = inputSampleR; + fpNShapeRA = (fpNShapeRA*fpOld)+((inputSampleR-fpTemp)*fpNew); + inputSampleR += fpNShapeRA; + } + else { + fpTemp = inputSampleL; + fpNShapeLB = (fpNShapeLB*fpOld)+((inputSampleL-fpTemp)*fpNew); + inputSampleL += fpNShapeLB; + fpTemp = inputSampleR; + fpNShapeRB = (fpNShapeRB*fpOld)+((inputSampleR-fpTemp)*fpNew); + inputSampleR += fpNShapeRB; + } + fpFlip = !fpFlip; + //end noise shaping on 32 bit output + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } +} + +void FromTape::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + + double overallscale = 1.0; + overallscale /= 44100.0; + overallscale *= getSampleRate(); + double inputgain = A*2.0; + double SoftenControl = B; + double RollAmount = (1.0-SoftenControl)/overallscale; + double iirAmount = (0.004*(1.0-C))/overallscale; + double altAmount = 1.0 - iirAmount; + double outputgain = D*2.0; + double wet = E; + double dry = 1.0 - wet; + double HighsSampleL = 0.0; + double SubtractL; + double bridgerectifierL; + double tempSampleL; + double drySampleL; + double HighsSampleR = 0.0; + double SubtractR; + double bridgerectifierR; + double tempSampleR; + double drySampleR; + double randy; + double invrandy; + double fpTemp; //this is different from singlereplacing + long double fpOld = 0.618033988749894848204586; //golden ratio! + long double fpNew = 1.0 - fpOld; + long double inputSampleL; + long double inputSampleR; + + while (--sampleFrames >= 0) + { + inputSampleL = *in1; + inputSampleR = *in2; + if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) { + static int noisesource = 0; + //this declares a variable before anything else is compiled. It won't keep assigning + //it to 0 for every sample, it's as if the declaration doesn't exist in this context, + //but it lets me add this denormalization fix in a single place rather than updating + //it in three different locations. The variable isn't thread-safe but this is only + //a random seed and we can share it with whatever. + noisesource = noisesource % 1700021; noisesource++; + int residue = noisesource * noisesource; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + double applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleL = applyresidue; + } + if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) { + static int noisesource = 0; + noisesource = noisesource % 1700021; noisesource++; + int residue = noisesource * noisesource; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + double applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleR = applyresidue; + //this denormalization routine produces a white noise at -300 dB which the noise + //shaping will interact with to produce a bipolar output, but the noise is actually + //all positive. That should stop any variables from going denormal, and the routine + //only kicks in if digital black is input. As a final touch, if you save to 24-bit + //the silence will return to being digital black again. + } + drySampleL = inputSampleL; + drySampleR = inputSampleR; + + + if (inputgain != 1.0) { + inputSampleL *= inputgain; + inputSampleR *= inputgain; + } + + randy = (rand()/(double)RAND_MAX) * SoftenControl; //for soften + invrandy = (1.0-randy); + randy /= 2.0; + //we've set up so that we dial in the amount of the alt sections (in pairs) with invrandy being the source section + + SubtractL = 0.0; + SubtractR = 0.0; + tempSampleL = inputSampleL; + tempSampleR = inputSampleR; + + iirSampleAL = (iirSampleAL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleAL; SubtractL += iirSampleAL; + iirSampleBL = (iirSampleBL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleBL; SubtractL += iirSampleBL; + iirSampleCL = (iirSampleCL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleCL; SubtractL += iirSampleCL; + iirSampleDL = (iirSampleDL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleDL; SubtractL += iirSampleDL; + iirSampleEL = (iirSampleEL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleEL; SubtractL += iirSampleEL; + iirSampleFL = (iirSampleFL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleFL; SubtractL += iirSampleFL; + iirSampleGL = (iirSampleGL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleGL; SubtractL += iirSampleGL; + iirSampleHL = (iirSampleHL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleHL; SubtractL += iirSampleHL; + iirSampleIL = (iirSampleIL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleIL; SubtractL += iirSampleIL; + iirSampleJL = (iirSampleJL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleJL; SubtractL += iirSampleJL; + iirSampleKL = (iirSampleKL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleKL; SubtractL += iirSampleKL; + iirSampleLL = (iirSampleLL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleLL; SubtractL += iirSampleLL; + iirSampleML = (iirSampleML * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleML; SubtractL += iirSampleML; + iirSampleNL = (iirSampleNL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleNL; SubtractL += iirSampleNL; + iirSampleOL = (iirSampleOL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleOL; SubtractL += iirSampleOL; + iirSamplePL = (iirSamplePL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSamplePL; SubtractL += iirSamplePL; + iirSampleQL = (iirSampleQL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleQL; SubtractL += iirSampleQL; + iirSampleRL = (iirSampleRL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleRL; SubtractL += iirSampleRL; + iirSampleSL = (iirSampleSL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleSL; SubtractL += iirSampleSL; + iirSampleTL = (iirSampleTL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleTL; SubtractL += iirSampleTL; + iirSampleUL = (iirSampleUL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleUL; SubtractL += iirSampleUL; + iirSampleVL = (iirSampleVL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleVL; SubtractL += iirSampleVL; + iirSampleWL = (iirSampleWL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleWL; SubtractL += iirSampleWL; + iirSampleXL = (iirSampleXL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleXL; SubtractL += iirSampleXL; + iirSampleYL = (iirSampleYL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleYL; SubtractL += iirSampleYL; + iirSampleZL = (iirSampleZL * altAmount) + (tempSampleL * iirAmount); tempSampleL -= iirSampleZL; SubtractL += iirSampleZL; + + iirSampleAR = (iirSampleAR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleAR; SubtractR += iirSampleAR; + iirSampleBR = (iirSampleBR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleBR; SubtractR += iirSampleBR; + iirSampleCR = (iirSampleCR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleCR; SubtractR += iirSampleCR; + iirSampleDR = (iirSampleDR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleDR; SubtractR += iirSampleDR; + iirSampleER = (iirSampleER * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleER; SubtractR += iirSampleER; + iirSampleFR = (iirSampleFR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleFR; SubtractR += iirSampleFR; + iirSampleGR = (iirSampleGR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleGR; SubtractR += iirSampleGR; + iirSampleHR = (iirSampleHR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleHR; SubtractR += iirSampleHR; + iirSampleIR = (iirSampleIR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleIR; SubtractR += iirSampleIR; + iirSampleJR = (iirSampleJR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleJR; SubtractR += iirSampleJR; + iirSampleKR = (iirSampleKR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleKR; SubtractR += iirSampleKR; + iirSampleLR = (iirSampleLR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleLR; SubtractR += iirSampleLR; + iirSampleMR = (iirSampleMR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleMR; SubtractR += iirSampleMR; + iirSampleNR = (iirSampleNR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleNR; SubtractR += iirSampleNR; + iirSampleOR = (iirSampleOR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleOR; SubtractR += iirSampleOR; + iirSamplePR = (iirSamplePR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSamplePR; SubtractR += iirSamplePR; + iirSampleQR = (iirSampleQR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleQR; SubtractR += iirSampleQR; + iirSampleRR = (iirSampleRR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleRR; SubtractR += iirSampleRR; + iirSampleSR = (iirSampleSR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleSR; SubtractR += iirSampleSR; + iirSampleTR = (iirSampleTR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleTR; SubtractR += iirSampleTR; + iirSampleUR = (iirSampleUR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleUR; SubtractR += iirSampleUR; + iirSampleVR = (iirSampleVR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleVR; SubtractR += iirSampleVR; + iirSampleWR = (iirSampleWR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleWR; SubtractR += iirSampleWR; + iirSampleXR = (iirSampleXR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleXR; SubtractR += iirSampleXR; + iirSampleYR = (iirSampleYR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleYR; SubtractR += iirSampleYR; + iirSampleZR = (iirSampleZR * altAmount) + (tempSampleR * iirAmount); tempSampleR -= iirSampleZR; SubtractR += iirSampleZR; + //do the IIR on a dummy sample, and store up the correction in a variable at the same scale as the very low level + //numbers being used. Don't keep doing it against the possibly high level signal number. + //This has been known to add a resonant quality to the cutoff, which we're using on purpose. + inputSampleL -= SubtractL; + inputSampleR -= SubtractR; + //apply stored up tiny corrections. + + + if (flip < 1 || flip > 3) flip = 1; + switch (flip) + { + case 1: + iirMidRollerAL = (iirMidRollerAL * (1.0 - RollAmount)) + (inputSampleL * RollAmount); + iirMidRollerAL = (invrandy * iirMidRollerAL) + (randy * iirMidRollerBL) + (randy * iirMidRollerCL); + HighsSampleL = inputSampleL - iirMidRollerAL; + iirMidRollerAR = (iirMidRollerAR * (1.0 - RollAmount)) + (inputSampleR * RollAmount); + iirMidRollerAR = (invrandy * iirMidRollerAR) + (randy * iirMidRollerBR) + (randy * iirMidRollerCR); + HighsSampleR = inputSampleR - iirMidRollerAR; + break; + case 2: + iirMidRollerBL = (iirMidRollerBL * (1.0 - RollAmount)) + (inputSampleL * RollAmount); + iirMidRollerBL = (randy * iirMidRollerAL) + (invrandy * iirMidRollerBL) + (randy * iirMidRollerCL); + HighsSampleL = inputSampleL - iirMidRollerBL; + iirMidRollerBR = (iirMidRollerBR * (1.0 - RollAmount)) + (inputSampleR * RollAmount); + iirMidRollerBR = (randy * iirMidRollerAR) + (invrandy * iirMidRollerBR) + (randy * iirMidRollerCR); + HighsSampleR = inputSampleR - iirMidRollerBR; + break; + case 3: + iirMidRollerCL = (iirMidRollerCL * (1.0 - RollAmount)) + (inputSampleL * RollAmount); + iirMidRollerCL = (randy * iirMidRollerAL) + (randy * iirMidRollerBL) + (invrandy * iirMidRollerCL); + HighsSampleL = inputSampleL - iirMidRollerCL; + iirMidRollerCR = (iirMidRollerCR * (1.0 - RollAmount)) + (inputSampleR * RollAmount); + iirMidRollerCR = (randy * iirMidRollerAR) + (randy * iirMidRollerBR) + (invrandy * iirMidRollerCR); + HighsSampleR = inputSampleR - iirMidRollerCR; + break; + } + flip++; //increment the triplet counter + + SubtractL = HighsSampleL; + bridgerectifierL = fabs(SubtractL)*1.57079633; + if (bridgerectifierL > 1.57079633) bridgerectifierL = 1.57079633; + bridgerectifierL = 1-cos(bridgerectifierL); + if (SubtractL > 0) SubtractL = bridgerectifierL; + if (SubtractL < 0) SubtractL = -bridgerectifierL; + inputSampleL -= SubtractL; + + SubtractR = HighsSampleR; + bridgerectifierR = fabs(SubtractR)*1.57079633; + if (bridgerectifierR > 1.57079633) bridgerectifierR = 1.57079633; + bridgerectifierR = 1-cos(bridgerectifierR); + if (SubtractR > 0) SubtractR = bridgerectifierR; + if (SubtractR < 0) SubtractR = -bridgerectifierR; + inputSampleR -= SubtractR; + //Soften works using the MidRoller stuff, defining a bright parallel channel that we apply negative Density + //to, and then subtract from the main audio. That makes the 'highs channel subtract' hit only the loudest + //transients, plus we are subtracting any artifacts we got from the negative Density. + + if (outputgain != 1.0) { + inputSampleL *= outputgain; + inputSampleR *= outputgain; + } + + if (wet !=1.0) { + inputSampleL = (inputSampleL * wet) + (drySampleL * dry); + inputSampleR = (inputSampleR * wet) + (drySampleR * dry); + } + + //noise shaping to 64-bit floating point + if (fpFlip) { + fpTemp = inputSampleL; + fpNShapeLA = (fpNShapeLA*fpOld)+((inputSampleL-fpTemp)*fpNew); + inputSampleL += fpNShapeLA; + fpTemp = inputSampleR; + fpNShapeRA = (fpNShapeRA*fpOld)+((inputSampleR-fpTemp)*fpNew); + inputSampleR += fpNShapeRA; + } + else { + fpTemp = inputSampleL; + fpNShapeLB = (fpNShapeLB*fpOld)+((inputSampleL-fpTemp)*fpNew); + inputSampleL += fpNShapeLB; + fpTemp = inputSampleR; + fpNShapeRB = (fpNShapeRB*fpOld)+((inputSampleR-fpTemp)*fpNew); + inputSampleR += fpNShapeRB; + } + fpFlip = !fpFlip; + //end noise shaping on 64 bit output + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } +}
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