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118 lines
3.1 KiB
118 lines
3.1 KiB
//See associated .cpp file for copyright and other info
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#ifndef __mdaEPiano__
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#define __mdaEPiano__
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#include <string.h>
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#include "audioeffectx.h"
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#define NPARAMS 12 //number of parameters
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#define NPROGS 8 //number of programs
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#define NOUTS 2 //number of outputs
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#define NVOICES 32 //max polyphony
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#define SUSTAIN 128
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#define SILENCE 0.0001f //voice choking
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#define WAVELEN 422414 //wave data bytes
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class mdaEPianoProgram
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{
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friend class mdaEPiano;
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private:
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float param[NPARAMS];
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char name[24];
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};
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struct VOICE //voice state
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{
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VstInt32 delta; //sample playback
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VstInt32 frac;
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VstInt32 pos;
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VstInt32 end;
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VstInt32 loop;
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float env; //envelope
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float dec;
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float f0; //first-order LPF
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float f1;
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float ff;
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float outl;
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float outr;
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VstInt32 note; //remember what note triggered this
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};
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struct KGRP //keygroup
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{
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VstInt32 root; //MIDI root note
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VstInt32 high; //highest note
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VstInt32 pos;
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VstInt32 end;
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VstInt32 loop;
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};
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class mdaEPiano : public AudioEffectX
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{
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public:
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mdaEPiano(audioMasterCallback audioMaster);
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~mdaEPiano();
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virtual void process(float **inputs, float **outputs, VstInt32 sampleframes);
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virtual void processReplacing(float **inputs, float **outputs, VstInt32 sampleframes);
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virtual VstInt32 processEvents(VstEvents* events);
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virtual void setProgram(VstInt32 program);
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virtual void setProgramName(char *name);
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virtual void getProgramName(char *name);
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virtual void setParameter(VstInt32 index, float value);
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virtual float getParameter(VstInt32 index);
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virtual void getParameterLabel(VstInt32 index, char *label);
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virtual void getParameterDisplay(VstInt32 index, char *text);
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virtual void getParameterName(VstInt32 index, char *text);
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virtual void setBlockSize(VstInt32 blockSize);
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virtual void resume();
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virtual bool getOutputProperties (VstInt32 index, VstPinProperties* properties);
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virtual bool getProgramNameIndexed (VstInt32 category, VstInt32 index, char* text);
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virtual bool copyProgram (VstInt32 destination);
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virtual bool getEffectName (char* name);
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virtual bool getVendorString (char* text);
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virtual bool getProductString (char* text);
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virtual VstInt32 getVendorVersion () {return 1;}
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virtual VstInt32 canDo (char* text);
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virtual VstInt32 getNumMidiInputChannels () { return 1; }
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VstInt32 guiUpdate;
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void guiGetDisplay(VstInt32 index, char *label);
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private:
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void update(); //my parameter update
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void noteOn(VstInt32 note, VstInt32 velocity);
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void fillpatch(VstInt32 p, char *name, float p0, float p1, float p2, float p3, float p4,
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float p5, float p6, float p7, float p8, float p9, float p10,float p11);
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mdaEPianoProgram* programs;
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float Fs, iFs;
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#define EVENTBUFFER 120
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#define EVENTS_DONE 99999999
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VstInt32 notes[EVENTBUFFER + 8]; //list of delta|note|velocity for current block
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///global internal variables
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KGRP kgrp[34];
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VOICE voice[NVOICES];
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VstInt32 activevoices, poly;
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short *waves;
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float width;
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VstInt32 size, sustain;
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float lfo0, lfo1, dlfo, lmod, rmod;
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float treb, tfrq, tl, tr;
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float tune, fine, random, stretch, overdrive;
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float muff, muffvel, sizevel, velsens, volume, modwhl;
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};
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#endif
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