martin@0: /*
martin@0:  *  Decoder.h
martin@0:  *  SoundField
martin@0:  *
martin@0:  *  Created by Martin Morrell on 14/06/2012.
martin@0:  *  Copyright 2012 Queen Mary University of London. All rights reserved.
martin@0:  *
martin@0:  */
martin@0: 
martin@0: 
martin@0: class Decoder
martin@0: {	
martin@0: 	friend class MyEditor;
martin@0: public:
martin@0: 	double Rotate; //+/-180 degrees
martin@0: 	double Tilt; //+/-180 degrees
martin@0: 	double Tumble; //+/-180 degrees
martin@0: 	double Zoom; //+/-100
martin@0: 	int    ZoomMethod; //4 positions
martin@0: 	double Width; //0-90 degrees
martin@0: 	double Pattern; //0-1 Omni amount
martin@0: 	int    Mode; //0 or 1 for xy or ms
martin@0: 	double RearVerb; //0-24dB
martin@0: 	double HiVerb; //0-24dB
martin@0: 	
martin@0: 	double temp; //temp for rotations
martin@0: 	double temp2[4]; //temp for zooming
martin@0: 	
martin@0: 	double outputL; //Left output
martin@0: 	double outputR; //Right output
martin@0: 	
martin@0:     double outputC; //Centre output
martin@0:     double outputS; //Subwoofer output
martin@0:     
martin@0:     double outputSL; //Surround Left output
martin@0:     double outputSR; //Surround Right output
martin@0:     
martin@0:     int    surMode; //Rear mics mode
martin@0:     double surPattern; //Rear mics pattern
martin@0:     double surWidth; //Rear mics width
martin@0:     double surGain; //Rear mics gain
martin@0:     
martin@0:     double centreOrder; //Centre mic order
martin@0:     double centrePattern; //Centre mic pattern
martin@0:     double centreGain; //Centre mic gain
martin@0: 	
martin@0:     double subGain; //Subwoofer gain
martin@0:     
martin@0:     int    decoderMode; //Decoder mode, set to same as number of outputs
martin@0:     
martin@0:     //Filter Code
martin@0:     int Fs;
martin@0:     int Fc;
martin@0:     double bLF[3];
martin@0:     double bHF[3];
martin@0:     double a[3];
martin@0:     double prevIn[2];
martin@0:     double prevOut[2];
martin@0:     double prevInw[2];
martin@0:     double prevOutw[2];
martin@0:     double prevInx[2];
martin@0:     double prevOutx[2];
martin@0:     double prevIny[2];
martin@0:     double prevOuty[2];
martin@0:     double prevInz[2];
martin@0:     double prevOutz[2];
martin@0:     
martin@0:     void   clearFilter(); //Clears the previous filter values
martin@0:     
martin@0:     
martin@0: 	//Overall Function
martin@0:     void monoDecoder(double &w, double &x, double &y, double &z); //Decode to mono
martin@0: 	void stereoDecoder(double &w, double &x, double &y, double &z); //Decode to stereo
martin@0:     void twoOneDecoder(double &w, double &x, double &y, double &z); //Decode to stereo
martin@0:     void lrcsDecoder(double &w, double &x, double &y, double &z); //Decode to LRCS
martin@0:     void fiveDecoder(double &w, double &x, double &y, double &z); //Decode to 5.0
martin@0: 	void fiveOneDecoder(double &w, double &x, double &y, double &z); //Decode to 5.1
martin@0:     
martin@0: 	
martin@0: //private:
martin@0: 	double degRad(double angle); //Convert degreesto radians
martin@0: 	double radDeg(double angle); //Convert radians to degrees
martin@0: 	
martin@0: 	//SoundField Rotations
martin@0: 	void rotateField(double &x, double &y);
martin@0: 	void tiltField(double &x, double &y);
martin@0: 	void tumbleField(double &x, double &y);
martin@0: 	
martin@0: 	//Zoom Methods
martin@0: 	void dominanceZoom(double &w, double &x, double &y, double &z);
martin@0: 	void pressZoom(double &w, double &x, double &y, double &z);
martin@0: 	void pushZoom(double &w, double &x, double &y, double &z);
martin@0: 	void focusZoom(double &w, double &x, double &y, double &z);
martin@0: 	
martin@0: 	//Stereo Decoders
martin@0: 	void xyDecode(double &w, double &x, double &y, double &z);
martin@0: 	void msDecode(double &w, double &x, double &y, double &z);
martin@0: 	
martin@0: 	//Reverbs
martin@0: 	void rearVerb(double &w, double &x, double &y, double &z);
martin@0: 	void hiVerb(double &w, double &x, double &y, double &z);
martin@0:     
martin@0:     //Surround
martin@0:     void centreMic(double &w, double &x);
martin@0:     void xySurDecode(double &w, double &x, double &y, double &z);
martin@0: 	void msSurDecode(double &w, double &x, double &y, double &z);
martin@0:     
martin@0:     //Subwoofer
martin@0:     void subSignal(double &w);
martin@0:     
martin@0:     //Filter Code
martin@0:     void filterCoefs();
martin@0:     void filterLF();
martin@0:     void filterHF(double &w, double &x, double &y, double &z);
martin@0: };