f@0: // 
f@0: // AccessiblePeakMeter.h 
f@0: //
f@0: // Author: Fiore Martin 
f@0: // Started from IPlugMultiTargets example in WDL-OL, by Oli Larkin - https://github.com/olilarkin/wdl-ol
f@0: //
f@0: // Licensed under the Cockos WDL License, see README.txt
f@0: //
f@0: 
f@0: 
f@0: #ifndef __ACCESSIBLEPEAKMETER__
f@0: #define __ACCESSIBLEPEAKMETER__
f@0: 
f@0: #include "IPlug_include_in_plug_hdr.h"
f@0: 
f@0: #include "stk/include/SineWave.h"
f@0: #include "stk/include/Envelope.h"
f@0: #include "stk/include/ADSR.h"
f@0: 
f@0: 
f@0: class AccessiblePeakMeter : public IPlug
f@0: {
f@0: public:
f@0: 
f@0: 	AccessiblePeakMeter(IPlugInstanceInfo instanceInfo);
f@0: 	~AccessiblePeakMeter();
f@0: 
f@0: 	void Reset();
f@0: 	void OnParamChange(int paramIdx);
f@0: 	void ProcessDoubleReplacing(double** inputs, double** outputs, int nFrames);
f@0: 	bool HostRequestingAboutBox();
f@0: 
f@0: private:
f@0: 	static const double DRYWET_DEFAULT;
f@2: 	static const int SONIFICATION_TYPE_DEFAULT;
f@0: 	static const double METERDECAY_DEFAULT;
f@0: 	static const double THRESHOLD_DEFAULT;
f@0: 	static const double BEEP_TIME;
f@0: 	static const double DB_RANGE;
f@0: 	static const double SONIFICATION_RANGE;
f@0: 	static const int SONIFICATION_TYPE_CLIPPING;
f@0: 	static const int SONIFICATION_TYPE_CONTINUOUS;
f@0: 	static const int MAX_CHANNELS = 2;
f@0: 	static const int NUM_PRESETS;
f@0: 	static const double MIN_SONIFICATION_FREQ;
f@0: 	static const int NUM_KNOB_FRAMES;
f@0: 	static const double CLIPPING_CEILING_SNAP;
f@0: 
f@0: 	/* parameters on GUI */
f@0: 	double mDry;
f@0: 	double mWet;
f@0: 	double mMeterDecayRate;
f@0: 	double mThreshold;
f@0: 
f@0: 	double mSampleRate;
f@0: 	
f@0: 	/* paramters for peak level meter */
f@0: 	double mPrevPeak[MAX_CHANNELS];
f@0: 	int mMeterIdx[MAX_CHANNELS];
f@0: 	
f@0: 	/* 	struct Sonification is the sonification engine. It has two substructures containing
f@0: 	    data specific to each type (clipping/continuous) 	
f@0: 	 */
f@0: 	struct Sonification {
f@0: 		int type; // type of sonification : clipping - continous
f@0: 		stk::SineWave ugen[MAX_CHANNELS]; // generator for both types of sonification
f@0: 
f@0: 		struct Continous {
f@0: 			/* this envelope is to turn off the countinuous sonification smoothly
f@0: 			   without clicks. It's always 1, unless the sonification is being turned off. 
f@0: 			 */
f@0: 			stk::Envelope envelope[MAX_CHANNELS];
f@0: 			bool isOn[MAX_CHANNELS];
f@0: 		} continous;
f@0: 
f@0: 		struct Clipping {
f@0: 			/* max diff is used to keep the pitch more consistent over different blocks 
f@0: 			   with maxDiff the beep sounds better cause is not constantly pitch modulated */
f@0: 			double maxDiff[MAX_CHANNELS];
f@0: 			stk::ADSR envelope[MAX_CHANNELS];
f@0: 		} clipping;
f@0: 
f@0: 		/* resets all the ugens. When srate is less than 0, type and ugen freq are 
f@0: 		   not affected by resetas well as sample rate.   
f@0: 		 */
f@0: 		void reset(double srate = -1.0){
f@0: 
f@0: 			for (int i = 0; i < MAX_CHANNELS; i++){
f@0: 
f@0: 				ugen[i].reset();
f@0: 
f@0: 				continous.isOn[i] = true;
f@0: 				stk::Envelope & coe = continous.envelope[i];
f@0: 				coe.setValue(1.0); // setValue also sets the target to the value 
f@0: 				coe.setTime(0.2);
f@0: 				
f@0: 				clipping.maxDiff[i] = 0.0;
f@0: 				stk::ADSR & cle = clipping.envelope[i];
f@0: 				cle.setValue(0.0);
f@0: 				cle.setReleaseTime(BEEP_TIME);
f@0: 				cle.setAttackTime(0.01);
f@0: 				cle.setSustainLevel(1);
f@0: 
f@0: 				if (srate > 0.0){
f@0: 					ugen[i].setSampleRate(srate);
f@0: 					coe.setSampleRate(srate);
f@0: 					cle.setSampleRate(srate);
f@0: 				}
f@0: 			}
f@0: 		}
f@0: 
f@2: 		Sonification() : type(SONIFICATION_TYPE_DEFAULT) {
f@0: 			reset();
f@0: 		}
f@0: 
f@0: 	} mSonification;
f@0: 
f@0: 	/* adds continous sonification on top of the original audio signal */
f@0: 	void addContinuousSonification(double** inputs, double** outputs, int nFrames);
f@0: 	/* adds clipping sonification on top of the original audio signal */
f@0: 	void addClippingSonification(double** inputs, double** outputs, int nFrames);
f@0: 	/* for dry/wet mix */
f@0: 	inline double mix(double dry, double wet) const{
f@0: 		return dry * mDry + wet * mWet;
f@0: 	}
f@0: };
f@0: 
f@0: 
f@0: #endif //__ACCESSIBLEPEAKMETER__