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/*
    Harmonic sinusoidal modelling and tools

    C++ code package for harmonic sinusoidal modelling and relevant signal processing.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2011 Wen Xue.

    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.
*/
#ifndef SinSynH
#define SinSynH

/**
  \file sinsyn.h - sinusoid synthesis routines for sinusoid modeling cycle. Functions named Sinusoid construct
  sinusoid segments whose amplitude and frequency are modeled as polynomials or linear combinations of
  basis functions; functions named SinusoidExp construct sinusoid segments whose logarithmic amplitude
  derivative and frequency are modeled thus; functions named SinusoidExpA construct sinusoid segments
  whose log amplitude and frequency are modeled thus.
*/

#include "xcomplex.h"
//--segmental synthesis routines---------------------------------------------
void CosSin(double* datar, double* datai, int CountSt, int CountEn, double f3, double f2, double f1, double f0, double &ph);
void Sinusoid(double* data, int T, double a1, double a2, double f1, double f2, double p1, double p2, double* a, double* f, double* p, bool ad=true);
void Sinusoid(double* data, int T, double a1, double a2, double f1, double f2, double p1, double p2, bool ad=true);
void Sinusoid(int T, double* f, double* a, double* ph, double* da, double aa, double ab, double ac, double ad, double fa, double fb, double fc, double fd, double ph0, double ph2, bool LogA=false);
void Sinusoid(int T, double* f, double* ph, double fa, double fb, double fc, double fd, double ph0, double ph2);
void Sinusoid(int T, double* data, double a3, double a2, double a1, double a0, double f3, double f2, double f1, double f0, double ph0, double ph2, bool add);
void Sinusoid(double* data, int CountSt, int CountEn, double a3, double a2, double a1, double a0, double f3, double f2, double f1, double f0, double &ph, bool add);
void Sinusoid_direct(double* f, double* a, double* ph, double* da, int CountSt, int CountEn, double aa, double ab, double ac, double ad, double fa, double fb, double fc, double fd, double &p1, bool LogA=false);
void Sinusoid_direct(double* f, double* ph, int CountSt, int CountEn, double fa, double fb, double fc, double fd, double &p1);
void SinusoidExp(cdouble* data, int CountSt, int CountEn, double a3, double a2, double a1, double a0,	double omg3, double omg2, double omg1, double omg0, double &ea, double &ph, bool add);
void SinusoidExp(int T, cdouble* s, cdouble* ds, int M, cdouble* lamda, double** h, double** dih, cdouble& tmpexp);
void SinusoidExp(int T, cdouble* s, int M, cdouble* lamda, double** dih, cdouble& tmpexp);
void SinusoidExpA(cdouble* data, int CountSt, int CountEn, double a3, double a2, double a1, double a0, double omg3, double omg2, double omg1, double omg0, double &ph, bool add);
void SinusoidExpA(int T, cdouble* s, cdouble* ds, int M, double* p, double* q, double** h, double** dh, double** dih, double& tmpph);
void SinusoidExpA(int T, cdouble* s, int M, double* p, double* q, double** h, double** dih, double& tmpph);
void SinusoidExpA(int T, cdouble* s, int M, double* p, double* q, double** h, double** dih, double ph1, double ph2);

//--multi-segmental synthesis routines---------------------------------------
void ShiftTrinomial(double T, double& b3, double& b2, double& b1, double& b0, double a3, double a2, double a1, double a0);
double* SynthesizeSinusoid(double* xrec, int dst, int den, double* phs, int Fr, double* xs, double* fs, double* as, bool add, bool* terminatetag);
double* SynthesizeSinusoidP(double* xrecm, int dst, int den, double* phs, int Fr, double* xs, double* fs, double* as, bool add);

#endif