#include <stdlib.h>#include <math.h>#include "soundpipe.h"#include "CUI.h" #define max(a,b) ((a < b) ? b : a)#define min(a,b) ((a < b) ? a : b) #ifndef FAUSTFLOAT#define FAUSTFLOAT SPFLOAT#endif typedef struct {	float fVec0[65536];	float fRec0[2];	int IOTA;	FAUSTFLOAT fHslider0;	FAUSTFLOAT fHslider1;	FAUSTFLOAT fHslider2;	int fSamplingFreq;} pshift; static pshift* newpshift(void) {	pshift* dsp = (pshift*)malloc(sizeof(pshift));	return dsp;} static void deletepshift(pshift* dsp) {	free(dsp);} static void instanceInitpshift(pshift* dsp, int samplingFreq) {	dsp->fSamplingFreq = samplingFreq;	dsp->IOTA = 0;	/* C99 loop */	{		int i0;		for (i0 = 0; (i0 < 65536); i0 = (i0 + 1)) {			dsp->fVec0[i0] = 0.f; 		} 	}	dsp->fHslider0 = (FAUSTFLOAT)1000.;	dsp->fHslider1 = (FAUSTFLOAT)0.;	/* C99 loop */	{		int i1;		for (i1 = 0; (i1 < 2); i1 = (i1 + 1)) {			dsp->fRec0[i1] = 0.f; 		} 	}	dsp->fHslider2 = (FAUSTFLOAT)10.;} static void initpshift(pshift* dsp, int samplingFreq) {	instanceInitpshift(dsp, samplingFreq);} static void buildUserInterfacepshift(pshift* dsp, UIGlue* interface) {	interface->addHorizontalSlider(interface->uiInterface, "shift", &dsp->fHslider1, 0.f, -24.f, 24.f, 0.1f);	interface->addHorizontalSlider(interface->uiInterface, "window", &dsp->fHslider0, 1000.f, 50.f, 10000.f, 1.f);	interface->addHorizontalSlider(interface->uiInterface, "xfade", &dsp->fHslider2, 10.f, 1.f, 10000.f, 1.f);} static void computepshift(pshift* dsp, int count, FAUSTFLOAT** inputs, FAUSTFLOAT** outputs) {	FAUSTFLOAT* input0 = inputs[0];	FAUSTFLOAT* output0 = outputs[0];	float fSlow0 = (float)dsp->fHslider0;	float fSlow1 = ((1.f + fSlow0) - powf(2.f, (0.0833333f * (float)dsp->fHslider1)));	float fSlow2 = (1.f / (float)dsp->fHslider2);	float fSlow3 = (fSlow0 - 1.f);	/* C99 loop */	{		int i;		for (i = 0; (i < count); i = (i + 1)) {			float fTemp0 = (float)input0[i];			dsp->fVec0[(dsp->IOTA & 65535)] = fTemp0;			dsp->fRec0[0] = fmodf((dsp->fRec0[1] + fSlow1), fSlow0);			int iTemp1 = (int)dsp->fRec0[0];			int iTemp2 = (1 + iTemp1);			float fTemp3 = min((fSlow2 * dsp->fRec0[0]), 1.f);			float fTemp4 = (dsp->fRec0[0] + fSlow0);			int iTemp5 = (int)fTemp4;			output0[i] = (FAUSTFLOAT)((((dsp->fVec0[((dsp->IOTA - (iTemp1 & 65535)) & 65535)] * ((float)iTemp2 - dsp->fRec0[0])) + ((dsp->fRec0[0] - (float)iTemp1) * dsp->fVec0[((dsp->IOTA - (iTemp2 & 65535)) & 65535)])) * fTemp3) + (((dsp->fVec0[((dsp->IOTA - (iTemp5 & 65535)) & 65535)] * (0.f - ((dsp->fRec0[0] + fSlow3) - (float)iTemp5))) + ((fTemp4 - (float)iTemp5) * dsp->fVec0[((dsp->IOTA - ((1 + iTemp5) & 65535)) & 65535)])) * (1.f - fTemp3)));			dsp->IOTA = (dsp->IOTA + 1);			dsp->fRec0[1] = dsp->fRec0[0]; 		} 	} } static void addHorizontalSlider(void* ui_interface, const char* label, FAUSTFLOAT* zone, FAUSTFLOAT init, FAUSTFLOAT min, FAUSTFLOAT max, FAUSTFLOAT step){    USED(label, init, min, max, step);     sp_pshift *p = ui_interface;    p->args[p->argpos] = zone;    p->argpos++;} int sp_pshift_create(sp_pshift **p){    *p = malloc(sizeof(sp_pshift));    return SP_OK;} int sp_pshift_destroy(sp_pshift **p){    sp_pshift *pp = *p;    pshift *dsp = pp->faust;    deletepshift (dsp);    free(*p);    return SP_OK;} int sp_pshift_init(sp_data *sp, sp_pshift *p){    pshift *dsp = newpshift();    UIGlue UI;    p->argpos = 0;    UI.addHorizontalSlider= addHorizontalSlider;    UI.uiInterface = p;    buildUserInterfacepshift(dsp, &UI);    initpshift(dsp, sp->sr);      p->shift = p->args[0];    p->window = p->args[1];    p->xfade = p->args[2];     p->faust = dsp;    return SP_OK;} int sp_pshift_compute(sp_data *sp, sp_pshift *p, SPFLOAT *in, SPFLOAT *out){    USED(sp);     pshift *dsp = p->faust;    SPFLOAT out1 = 0;    SPFLOAT *faust_out[] = {&out1};    SPFLOAT *faust_in[] = {in};    computepshift(dsp, 1, faust_in, faust_out);     *out = out1;    return SP_OK;}