From 25083c28de46d5665fd0f10349f004d17a43df06 Mon Sep 17 00:00:00 2001 From: Chris Johnson Date: Sun, 15 Sep 2019 20:32:42 -0400 Subject: Channel7 --- plugins/LinuxVST/src/Channel7/Channel7.cpp | 161 ++++++++++++++++++ plugins/LinuxVST/src/Channel7/Channel7.h | 74 +++++++++ plugins/LinuxVST/src/Channel7/Channel7Proc.cpp | 220 +++++++++++++++++++++++++ 3 files changed, 455 insertions(+) create mode 100755 plugins/LinuxVST/src/Channel7/Channel7.cpp create mode 100755 plugins/LinuxVST/src/Channel7/Channel7.h create mode 100755 plugins/LinuxVST/src/Channel7/Channel7Proc.cpp (limited to 'plugins/LinuxVST/src') diff --git a/plugins/LinuxVST/src/Channel7/Channel7.cpp b/plugins/LinuxVST/src/Channel7/Channel7.cpp new file mode 100755 index 0000000..ba73bf5 --- /dev/null +++ b/plugins/LinuxVST/src/Channel7/Channel7.cpp @@ -0,0 +1,161 @@ +/* ======================================== + * Channel7 - Channel7.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Channel7_H +#include "Channel7.h" +#endif + +AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new Channel7(audioMaster);} + +Channel7::Channel7(audioMasterCallback audioMaster) : + AudioEffectX(audioMaster, kNumPrograms, kNumParameters) +{ + consoletype = 0.0; + drive = 0.0; + output = 1.0; + fpd = 17; + iirSampleLA = 0.0; + iirSampleRA = 0.0; + iirSampleLB = 0.0; + iirSampleRB = 0.0; + lastSampleL = 0.0; + lastSampleR = 0.0; + flip = false; + iirAmount = 0.005832; + threshold = 0.33362176; //instantiating with Neve values + //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 +} + +Channel7::~Channel7() {} +VstInt32 Channel7::getVendorVersion () {return 1000;} +void Channel7::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);} +void Channel7::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 Channel7::getChunk (void** data, bool isPreset) +{ + float *chunkData = (float *)calloc(kNumParameters, sizeof(float)); + chunkData[0] = consoletype; + chunkData[1] = drive; + chunkData[2] = output; + /* 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 Channel7::setChunk (void* data, VstInt32 byteSize, bool isPreset) +{ + float *chunkData = (float *)data; + consoletype = pinParameter(chunkData[0]); + drive = pinParameter(chunkData[1]); + output = pinParameter(chunkData[2]); + /* 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 Channel7::setParameter(VstInt32 index, float value) { + switch (index) { + case kParamA: consoletype = value; break; + case kParamB: drive = value; break; + case kParamC: output = value; break; + default: throw; // unknown parameter, shouldn't happen! + } + //we can also set other defaults here, and do calculations that only have to happen + //once when parameters actually change. Here is the 'popup' setting its (global) values. + //variables can also be set in the processreplacing loop, and there they'll be set every buffersize + //here they're set when a parameter's actually changed, which should be less frequent, but + //you must use global variables in the Channel4.h file to do it. + switch((VstInt32)( consoletype * 2.999 )) + { + case 0: iirAmount = 0.005832; threshold = 0.33362176; break; //Neve + case 1: iirAmount = 0.004096; threshold = 0.59969536; break; //API + case 2: iirAmount = 0.004913; threshold = 0.84934656; break; //SSL + default: break; //should not happen + } + +} + +float Channel7::getParameter(VstInt32 index) { + switch (index) { + case kParamA: return consoletype; break; + case kParamB: return drive; break; + case kParamC: return output; 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 Channel7::getParameterName(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "Console Type", kVstMaxParamStrLen); break; + case kParamB: vst_strncpy (text, "Drive", kVstMaxParamStrLen); break; + case kParamC: vst_strncpy (text, "Output", kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } //this is our labels for displaying in the VST host +} + +void Channel7::getParameterDisplay(VstInt32 index, char *text) { + switch (index) { + case kParamA: switch((VstInt32)( consoletype * 2.999 )) //0 to almost edge of # of params + { case 0: vst_strncpy (text, "Neve", kVstMaxParamStrLen); break; + case 1: vst_strncpy (text, "API", kVstMaxParamStrLen); break; + case 2: vst_strncpy (text, "SSL", kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } break; //completed consoletype 'popup' parameter, exit + case kParamB: int2string ((VstInt32)(drive*200), text, kVstMaxParamStrLen); break; + case kParamC: float2string (output, text, kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } //this displays the values and handles 'popups' where it's discrete choices +} + +void Channel7::getParameterLabel(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "", kVstMaxParamStrLen); break; + case kParamB: vst_strncpy (text, "%", kVstMaxParamStrLen); break; //the percent + case kParamC: vst_strncpy (text, "", kVstMaxParamStrLen); break; //the percent + default: break; // unknown parameter, shouldn't happen! + } +} + +VstInt32 Channel7::canDo(char *text) +{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know + +bool Channel7::getEffectName(char* name) { + vst_strncpy(name, "Channel7", kVstMaxProductStrLen); return true; +} + +VstPlugCategory Channel7::getPlugCategory() {return kPlugCategEffect;} + +bool Channel7::getProductString(char* text) { + vst_strncpy (text, "airwindows Channel7", kVstMaxProductStrLen); return true; +} + +bool Channel7::getVendorString(char* text) { + vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true; +} diff --git a/plugins/LinuxVST/src/Channel7/Channel7.h b/plugins/LinuxVST/src/Channel7/Channel7.h new file mode 100755 index 0000000..2ffd6c9 --- /dev/null +++ b/plugins/LinuxVST/src/Channel7/Channel7.h @@ -0,0 +1,74 @@ +/* ======================================== + * Channel7 - Channel7.h + * Created 8/12/11 by SPIAdmin + * Copyright (c) 2011 __MyCompanyName__, All rights reserved + * ======================================== */ + +#ifndef __Channel7_H +#define __Channel7_H + +#ifndef __audioeffect__ +#include "audioeffectx.h" +#endif + +#include +#include +#include + +enum { + kParamA = 0, + kParamB = 1, + kParamC = 2, + kNumParameters = 3 +}; // + +const int kNumPrograms = 0; +const int kNumInputs = 2; +const int kNumOutputs = 2; +const unsigned long kUniqueId = 'cha7'; //Change this to what the AU identity is! + +class Channel7 : + public AudioEffectX +{ +public: + Channel7(audioMasterCallback audioMaster); + ~Channel7(); + 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; + + uint32_t fpd; + //default stuff + double iirSampleLA; + double iirSampleRA; + double iirSampleLB; + double iirSampleRB; + double lastSampleL; + double lastSampleR; + double iirAmount; + double threshold; + bool flip; + + float consoletype; + float drive; //parameters. Always 0-1, and we scale/alter them elsewhere. + float output; +}; + +#endif diff --git a/plugins/LinuxVST/src/Channel7/Channel7Proc.cpp b/plugins/LinuxVST/src/Channel7/Channel7Proc.cpp new file mode 100755 index 0000000..391df73 --- /dev/null +++ b/plugins/LinuxVST/src/Channel7/Channel7Proc.cpp @@ -0,0 +1,220 @@ +/* ======================================== + * Channel7 - Channel7.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Channel7_H +#include "Channel7.h" +#endif + +void Channel7::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 localiirAmount = iirAmount / overallscale; + double localthreshold = threshold; //we've learned not to try and adjust threshold for sample rate + double density = drive*2.0; //0-2 + double phattity = density - 1.0; + if (density > 1.0) density = 1.0; //max out at full wet for Spiral aspect + if (phattity < 0.0) phattity = 0.0; // + + 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; + + if (flip) + { + iirSampleLA = (iirSampleLA * (1 - localiirAmount)) + (inputSampleL * localiirAmount); + inputSampleL = inputSampleL - iirSampleLA; + iirSampleRA = (iirSampleRA * (1 - localiirAmount)) + (inputSampleR * localiirAmount); + inputSampleR = inputSampleR - iirSampleRA; + } + else + { + iirSampleLB = (iirSampleLB * (1 - localiirAmount)) + (inputSampleL * localiirAmount); + inputSampleL = inputSampleL - iirSampleLB; + iirSampleRB = (iirSampleRB * (1 - localiirAmount)) + (inputSampleR * localiirAmount); + inputSampleR = inputSampleR - iirSampleRB; + } + //highpass section + long double drySampleL = inputSampleL; + long double drySampleR = inputSampleR; + + if (inputSampleL > 1.0) inputSampleL = 1.0; + if (inputSampleL < -1.0) inputSampleL = -1.0; + long double phatSampleL = sin(inputSampleL * 1.57079633); + inputSampleL *= 1.2533141373155; + //clip to 1.2533141373155 to reach maximum output, or 1.57079633 for pure sine 'phat' version + + long double distSampleL = sin(inputSampleL * fabs(inputSampleL)) / ((inputSampleL == 0.0) ?1:fabs(inputSampleL)); + + inputSampleL = distSampleL; //purest form is full Spiral + if (density < 1.0) inputSampleL = (drySampleL*(1-density))+(distSampleL*density); //fade Spiral aspect + if (phattity > 0.0) inputSampleL = (inputSampleL*(1-phattity))+(phatSampleL*phattity); //apply original Density on top + + if (inputSampleR > 1.0) inputSampleR = 1.0; + if (inputSampleR < -1.0) inputSampleR = -1.0; + long double phatSampleR = sin(inputSampleR * 1.57079633); + inputSampleR *= 1.2533141373155; + //clip to 1.2533141373155 to reach maximum output, or 1.57079633 for pure sine 'phat' version + + long double distSampleR = sin(inputSampleR * fabs(inputSampleR)) / ((inputSampleR == 0.0) ?1:fabs(inputSampleR)); + + inputSampleR = distSampleR; //purest form is full Spiral + if (density < 1.0) inputSampleR = (drySampleR*(1-density))+(distSampleR*density); //fade Spiral aspect + if (phattity > 0.0) inputSampleR = (inputSampleR*(1-phattity))+(phatSampleR*phattity); //apply original Density on top + + double clamp = inputSampleL - lastSampleL; + if (clamp > localthreshold) + inputSampleL = lastSampleL + localthreshold; + if (-clamp > localthreshold) + inputSampleL = lastSampleL - localthreshold; + lastSampleL = inputSampleL; + + clamp = inputSampleR - lastSampleR; + if (clamp > localthreshold) + inputSampleR = lastSampleR + localthreshold; + if (-clamp > localthreshold) + inputSampleR = lastSampleR - localthreshold; + lastSampleR = inputSampleR; + //slew section + flip = !flip; + + if (output < 1.0) { + inputSampleL *= output; + inputSampleR *= output; + } + + //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 Channel7::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 localiirAmount = iirAmount / overallscale; + double localthreshold = threshold; //we've learned not to try and adjust threshold for sample rate + double density = drive*2.0; //0-2 + double phattity = density - 1.0; + if (density > 1.0) density = 1.0; //max out at full wet for Spiral aspect + if (phattity < 0.0) phattity = 0.0; // + + 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; + + if (flip) + { + iirSampleLA = (iirSampleLA * (1 - localiirAmount)) + (inputSampleL * localiirAmount); + inputSampleL = inputSampleL - iirSampleLA; + iirSampleRA = (iirSampleRA * (1 - localiirAmount)) + (inputSampleR * localiirAmount); + inputSampleR = inputSampleR - iirSampleRA; + } + else + { + iirSampleLB = (iirSampleLB * (1 - localiirAmount)) + (inputSampleL * localiirAmount); + inputSampleL = inputSampleL - iirSampleLB; + iirSampleRB = (iirSampleRB * (1 - localiirAmount)) + (inputSampleR * localiirAmount); + inputSampleR = inputSampleR - iirSampleRB; + } + //highpass section + long double drySampleL = inputSampleL; + long double drySampleR = inputSampleR; + + if (inputSampleL > 1.0) inputSampleL = 1.0; + if (inputSampleL < -1.0) inputSampleL = -1.0; + long double phatSampleL = sin(inputSampleL * 1.57079633); + inputSampleL *= 1.2533141373155; + //clip to 1.2533141373155 to reach maximum output, or 1.57079633 for pure sine 'phat' version + + long double distSampleL = sin(inputSampleL * fabs(inputSampleL)) / ((inputSampleL == 0.0) ?1:fabs(inputSampleL)); + + inputSampleL = distSampleL; //purest form is full Spiral + if (density < 1.0) inputSampleL = (drySampleL*(1-density))+(distSampleL*density); //fade Spiral aspect + if (phattity > 0.0) inputSampleL = (inputSampleL*(1-phattity))+(phatSampleL*phattity); //apply original Density on top + + if (inputSampleR > 1.0) inputSampleR = 1.0; + if (inputSampleR < -1.0) inputSampleR = -1.0; + long double phatSampleR = sin(inputSampleR * 1.57079633); + inputSampleR *= 1.2533141373155; + //clip to 1.2533141373155 to reach maximum output, or 1.57079633 for pure sine 'phat' version + + long double distSampleR = sin(inputSampleR * fabs(inputSampleR)) / ((inputSampleR == 0.0) ?1:fabs(inputSampleR)); + + inputSampleR = distSampleR; //purest form is full Spiral + if (density < 1.0) inputSampleR = (drySampleR*(1-density))+(distSampleR*density); //fade Spiral aspect + if (phattity > 0.0) inputSampleR = (inputSampleR*(1-phattity))+(phatSampleR*phattity); //apply original Density on top + + double clamp = inputSampleL - lastSampleL; + if (clamp > localthreshold) + inputSampleL = lastSampleL + localthreshold; + if (-clamp > localthreshold) + inputSampleL = lastSampleL - localthreshold; + lastSampleL = inputSampleL; + + clamp = inputSampleR - lastSampleR; + if (clamp > localthreshold) + inputSampleR = lastSampleR + localthreshold; + if (-clamp > localthreshold) + inputSampleR = lastSampleR - localthreshold; + lastSampleR = inputSampleR; + //slew section + flip = !flip; + + if (output < 1.0) { + inputSampleL *= output; + inputSampleR *= output; + } + + //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++; + } +} -- cgit v1.2.3