Add preliminary (library side only) LV2 port of MDA (open-sourced VST plugins).

git-svn-id: http://svn.drobilla.net/lad/mda-lv2@1321 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 108 insertions, 0 deletions

diff --git a/src/mdaDX10.h b/src/mdaDX10.h
new file mode 100644
index 0000000..6ab11d4
--- /dev/null
+++ b/src/mdaDX10.h
@@ -0,0 +1,108 @@
+//See associated .cpp file for copyright and other info
+
+#ifndef __mdaDX10__
+#define __mdaDX10__
+
+#include <string.h>
+
+#include "audioeffectx.h"
+
+#define NPARAMS 16       //number of parameters
+#define NPROGS  32       //number of programs
+#define NOUTS    2       //number of outputs
+#define NVOICES  8       //max polyphony
+#define SILENCE 0.0003f  //voice choking
+
+class mdaDX10Program
+{
+  friend class mdaDX10;
+public:
+  mdaDX10Program() {}
+ ~mdaDX10Program() {}
+
+private:
+  float param[NPARAMS];
+  char  name[24];
+};
+
+
+struct VOICE  //voice state
+{
+  float env;  //carrier envelope
+  float dmod; //modulator oscillator 
+  float mod0;
+  float mod1;
+  float menv; //modulator envelope
+  float mlev; //modulator target level
+  float mdec; //modulator envelope decay
+  float car;  //carrier oscillator
+  float dcar;
+  float cenv; //smoothed env
+  float catt; //smoothing
+  float cdec; //carrier envelope decay
+  long  note; //remember what note triggered this
+};
+
+
+class mdaDX10 : public AudioEffectX
+{
+public:
+	mdaDX10(audioMasterCallback audioMaster);
+	~mdaDX10();
+
+	virtual void process(float **inputs, float **outputs, LvzInt32 sampleframes);
+	virtual void processReplacing(float **inputs, float **outputs, LvzInt32 sampleframes);
+	virtual LvzInt32 processEvents(LvzEvents* events);
+
+	virtual void setProgram(LvzInt32 program);
+	virtual void setProgramName(char *name);
+	virtual void getProgramName(char *name);
+	virtual void setParameter(LvzInt32 index, float value);
+	virtual float getParameter(LvzInt32 index);
+	virtual void getParameterLabel(LvzInt32 index, char *label);
+	virtual void getParameterDisplay(LvzInt32 index, char *text);
+	virtual void getParameterName(LvzInt32 index, char *text);
+	virtual void setSampleRate(float sampleRate);
+	virtual void setBlockSize(LvzInt32 blockSize);
+    virtual void resume();
+
+	virtual bool getOutputProperties (LvzInt32 index, LvzPinProperties* properties);
+	virtual bool getProgramNameIndexed (LvzInt32 category, LvzInt32 index, char* text);
+	virtual bool copyProgram (LvzInt32 destination);
+	virtual bool getEffectName (char* name);
+	virtual bool getVendorString (char* text);
+	virtual bool getProductString (char* text);
+	virtual LvzInt32 getVendorVersion () {return 1;}
+	virtual LvzInt32 canDo (char* text);
+
+	virtual LvzInt32 getNumMidiInputChannels ()  { return 1; }
+
+private:
+	void update();  //my parameter update
+  void noteOn(long note, long velocity);
+  void fillpatch(long p, const char *name, 
+                 float p0,  float p1,  float p2,  float p3,  float p4,  float p5, 
+                 float p6,  float p7,  float p8,  float p9,  float p10, float p11, 
+                 float p12, float p13, float p14, float p15);
+
+  float param[NPARAMS];
+  mdaDX10Program* programs;
+  float Fs;
+
+  #define EVENTBUFFER 120
+  #define EVENTS_DONE 99999999
+  long notes[EVENTBUFFER + 8];  //list of delta|note|velocity for current block
+
+  ///global internal variables
+  VOICE voice[NVOICES];
+  #define SUSTAIN 128
+  long sustain, activevoices, K;
+
+  float tune, rati, ratf, ratio; //modulator ratio
+  float catt, cdec, crel;        //carrier envelope
+  float depth, dept2, mdec, mrel; //modulator envelope
+  float lfo0, lfo1, dlfo, modwhl, MW, pbend, velsens, volume, vibrato; //LFO and CC
+  float rich, modmix;
+};
+
+#endif