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author | Chris Johnson <jinx6568@sover.net> | 2018-09-02 22:35:13 -0400 |
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committer | Chris Johnson <jinx6568@sover.net> | 2018-09-02 22:35:13 -0400 |
commit | b4f55328448d087a68e6f658638fb3d38d86be12 (patch) | |
tree | 217a6d4c9ecc1c34e15e3f9e3774cc9858e39bfa /plugins/LinuxVST/src/DoublePaul | |
parent | dea49efc0e05cdd55c00ce701aecef2bd742fc8c (diff) | |
download | airwindows-lv2-port-b4f55328448d087a68e6f658638fb3d38d86be12.tar.gz airwindows-lv2-port-b4f55328448d087a68e6f658638fb3d38d86be12.tar.bz2 airwindows-lv2-port-b4f55328448d087a68e6f658638fb3d38d86be12.zip |
Ditherbox… and individual dithers
Diffstat (limited to 'plugins/LinuxVST/src/DoublePaul')
-rwxr-xr-x | plugins/LinuxVST/src/DoublePaul/.vs/Console4Channel64/v14/.suo | bin | 0 -> 32768 bytes | |||
-rwxr-xr-x | plugins/LinuxVST/src/DoublePaul/.vs/VSTProject/v14/.suo | bin | 0 -> 23040 bytes | |||
-rwxr-xr-x | plugins/LinuxVST/src/DoublePaul/DoublePaul.cpp | 79 | ||||
-rwxr-xr-x | plugins/LinuxVST/src/DoublePaul/DoublePaul.h | 59 | ||||
-rwxr-xr-x | plugins/LinuxVST/src/DoublePaul/DoublePaulProc.cpp | 246 |
5 files changed, 384 insertions, 0 deletions
diff --git a/plugins/LinuxVST/src/DoublePaul/.vs/Console4Channel64/v14/.suo b/plugins/LinuxVST/src/DoublePaul/.vs/Console4Channel64/v14/.suo Binary files differnew file mode 100755 index 0000000..777b846 --- /dev/null +++ b/plugins/LinuxVST/src/DoublePaul/.vs/Console4Channel64/v14/.suo diff --git a/plugins/LinuxVST/src/DoublePaul/.vs/VSTProject/v14/.suo b/plugins/LinuxVST/src/DoublePaul/.vs/VSTProject/v14/.suo Binary files differnew file mode 100755 index 0000000..94ab336 --- /dev/null +++ b/plugins/LinuxVST/src/DoublePaul/.vs/VSTProject/v14/.suo diff --git a/plugins/LinuxVST/src/DoublePaul/DoublePaul.cpp b/plugins/LinuxVST/src/DoublePaul/DoublePaul.cpp new file mode 100755 index 0000000..a5d374d --- /dev/null +++ b/plugins/LinuxVST/src/DoublePaul/DoublePaul.cpp @@ -0,0 +1,79 @@ +/* ======================================== + * DoublePaul - DoublePaul.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __DoublePaul_H +#include "DoublePaul.h" +#endif + +AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new DoublePaul(audioMaster);} + +DoublePaul::DoublePaul(audioMasterCallback audioMaster) : + AudioEffectX(audioMaster, kNumPrograms, kNumParameters) +{ + for(int count = 0; count < 11; count++) {bL[count] = 0.0;bR[count] = 0.0;} + //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 +} + +DoublePaul::~DoublePaul() {} +VstInt32 DoublePaul::getVendorVersion () {return 1000;} +void DoublePaul::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);} +void DoublePaul::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! + + +VstInt32 DoublePaul::getChunk (void** data, bool isPreset) +{ + return kNumParameters * sizeof(float); +} + +VstInt32 DoublePaul::setChunk (void* data, VstInt32 byteSize, bool isPreset) +{ + return 0; +} + +void DoublePaul::setParameter(VstInt32 index, float value) { +} + +float DoublePaul::getParameter(VstInt32 index) { + return 0.0; //we only need to update the relevant name, this is simple to manage +} + +void DoublePaul::getParameterName(VstInt32 index, char *text) { +} + +void DoublePaul::getParameterDisplay(VstInt32 index, char *text) { +} + +void DoublePaul::getParameterLabel(VstInt32 index, char *text) { +} + +VstInt32 DoublePaul::canDo(char *text) +{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know + +bool DoublePaul::getEffectName(char* name) { + vst_strncpy(name, "DoublePaul", kVstMaxProductStrLen); return true; +} + +VstPlugCategory DoublePaul::getPlugCategory() {return kPlugCategEffect;} + +bool DoublePaul::getProductString(char* text) { + vst_strncpy (text, "airwindows DoublePaul", kVstMaxProductStrLen); return true; +} + +bool DoublePaul::getVendorString(char* text) { + vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true; +} diff --git a/plugins/LinuxVST/src/DoublePaul/DoublePaul.h b/plugins/LinuxVST/src/DoublePaul/DoublePaul.h new file mode 100755 index 0000000..4cb0b88 --- /dev/null +++ b/plugins/LinuxVST/src/DoublePaul/DoublePaul.h @@ -0,0 +1,59 @@ +/* ======================================== + * DoublePaul - DoublePaul.h + * Created 8/12/11 by SPIAdmin + * Copyright (c) 2011 __MyCompanyName__, All rights reserved + * ======================================== */ + +#ifndef __DoublePaul_H +#define __DoublePaul_H + +#ifndef __audioeffect__ +#include "audioeffectx.h" +#endif + +#include <set> +#include <string> +#include <math.h> + +enum { + kNumParameters = 0 +}; // + +const int kNumPrograms = 0; +const int kNumInputs = 2; +const int kNumOutputs = 2; +const unsigned long kUniqueId = 'dbpa'; //Change this to what the AU identity is! + +class DoublePaul : + public AudioEffectX +{ +public: + DoublePaul(audioMasterCallback audioMaster); + ~DoublePaul(); + 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; + + double bL[11]; + double bR[11]; + +}; + +#endif diff --git a/plugins/LinuxVST/src/DoublePaul/DoublePaulProc.cpp b/plugins/LinuxVST/src/DoublePaul/DoublePaulProc.cpp new file mode 100755 index 0000000..66de94f --- /dev/null +++ b/plugins/LinuxVST/src/DoublePaul/DoublePaulProc.cpp @@ -0,0 +1,246 @@ +/* ======================================== + * DoublePaul - DoublePaul.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __DoublePaul_H +#include "DoublePaul.h" +#endif + +void DoublePaul::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + + double currentDitherL; + double currentDitherR; + + 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. + } + + inputSampleL *= 8388608.0; + inputSampleR *= 8388608.0; + //0-1 is now one bit, now we dither + + bL[9] = bL[8]; bL[8] = bL[7]; bL[7] = bL[6]; bL[6] = bL[5]; + bL[5] = bL[4]; bL[4] = bL[3]; bL[3] = bL[2]; bL[2] = bL[1]; + bL[1] = bL[0]; bL[0] = (rand()/(double)RAND_MAX); + + currentDitherL = (bL[0] * 0.061); + currentDitherL -= (bL[1] * 0.11); + currentDitherL += (bL[8] * 0.126); + currentDitherL -= (bL[7] * 0.23); + currentDitherL += (bL[2] * 0.25); + currentDitherL -= (bL[3] * 0.43); + currentDitherL += (bL[6] * 0.5); + currentDitherL -= bL[5]; + currentDitherL += bL[4]; + //this sounds different from doing it in order of sample position + //cumulative tiny errors seem to build up even at this buss depth + //considerably more pronounced at 32 bit float. + //Therefore we add the most significant components LAST. + //trying to keep values on like exponents of the floating point value. + inputSampleL += currentDitherL; + + inputSampleL = floor(inputSampleL); + //done with L + + bR[9] = bR[8]; bR[8] = bR[7]; bR[7] = bR[6]; bR[6] = bR[5]; + bR[5] = bR[4]; bR[4] = bR[3]; bR[3] = bR[2]; bR[2] = bR[1]; + bR[1] = bR[0]; bR[0] = (rand()/(double)RAND_MAX); + + currentDitherR = (bR[0] * 0.061); + currentDitherR -= (bR[1] * 0.11); + currentDitherR += (bR[8] * 0.126); + currentDitherR -= (bR[7] * 0.23); + currentDitherR += (bR[2] * 0.25); + currentDitherR -= (bR[3] * 0.43); + currentDitherR += (bR[6] * 0.5); + currentDitherR -= bR[5]; + currentDitherR += bR[4]; + //this sounds different from doing it in order of sample position + //cumulative tiny errors seem to build up even at this buss depth + //considerably more pronounced at 32 bit float. + //Therefore we add the most significant components LAST. + //trying to keep values on like exponents of the floating point value. + inputSampleR += currentDitherR; + + inputSampleR = floor(inputSampleR); + //done with R + + inputSampleL /= 8388608.0; + inputSampleR /= 8388608.0; + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } +} + +void DoublePaul::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + + double currentDitherL; + double currentDitherR; + + 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. + } + + inputSampleL *= 8388608.0; + inputSampleR *= 8388608.0; + //0-1 is now one bit, now we dither + + bL[9] = bL[8]; bL[8] = bL[7]; bL[7] = bL[6]; bL[6] = bL[5]; + bL[5] = bL[4]; bL[4] = bL[3]; bL[3] = bL[2]; bL[2] = bL[1]; + bL[1] = bL[0]; bL[0] = (rand()/(double)RAND_MAX); + + currentDitherL = (bL[0] * 0.061); + currentDitherL -= (bL[1] * 0.11); + currentDitherL += (bL[8] * 0.126); + currentDitherL -= (bL[7] * 0.23); + currentDitherL += (bL[2] * 0.25); + currentDitherL -= (bL[3] * 0.43); + currentDitherL += (bL[6] * 0.5); + currentDitherL -= bL[5]; + currentDitherL += bL[4]; + //this sounds different from doing it in order of sample position + //cumulative tiny errors seem to build up even at this buss depth + //considerably more pronounced at 32 bit float. + //Therefore we add the most significant components LAST. + //trying to keep values on like exponents of the floating point value. + inputSampleL += currentDitherL; + + inputSampleL = floor(inputSampleL); + //done with L + + bR[9] = bR[8]; bR[8] = bR[7]; bR[7] = bR[6]; bR[6] = bR[5]; + bR[5] = bR[4]; bR[4] = bR[3]; bR[3] = bR[2]; bR[2] = bR[1]; + bR[1] = bR[0]; bR[0] = (rand()/(double)RAND_MAX); + + currentDitherR = (bR[0] * 0.061); + currentDitherR -= (bR[1] * 0.11); + currentDitherR += (bR[8] * 0.126); + currentDitherR -= (bR[7] * 0.23); + currentDitherR += (bR[2] * 0.25); + currentDitherR -= (bR[3] * 0.43); + currentDitherR += (bR[6] * 0.5); + currentDitherR -= bR[5]; + currentDitherR += bR[4]; + //this sounds different from doing it in order of sample position + //cumulative tiny errors seem to build up even at this buss depth + //considerably more pronounced at 32 bit float. + //Therefore we add the most significant components LAST. + //trying to keep values on like exponents of the floating point value. + inputSampleR += currentDitherR; + + inputSampleR = floor(inputSampleR); + //done with R + + inputSampleL /= 8388608.0; + inputSampleR /= 8388608.0; + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } +}
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