// generated from file '../src/LV2/faust/gx_flanger.dsp' by dsp2cc:
// Code generated with Faust (https://faust.grame.fr)


namespace gx_flanger {

class Dsp: public PluginLV2 {
private:
	uint32_t fSampleRate;
	FAUSTFLOAT fHslider0;
	FAUSTFLOAT	*fHslider0_;
	int iVec0[2];
	FAUSTFLOAT fHslider1;
	FAUSTFLOAT	*fHslider1_;
	int IOTA;
	double fVec1[2048];
	double fConst0;
	double fConst1;
	FAUSTFLOAT fHslider2;
	FAUSTFLOAT	*fHslider2_;
	FAUSTFLOAT fHslider3;
	FAUSTFLOAT	*fHslider3_;
	double fConst2;
	FAUSTFLOAT fHslider4;
	FAUSTFLOAT	*fHslider4_;
	double fRec1[2];
	double fRec2[2];
	FAUSTFLOAT fHslider5;
	FAUSTFLOAT	*fHslider5_;
	double fVec2[2048];
	double fRec0[2];
	double fVec3[4096];
	double fRec3[2];

	void connect(uint32_t port,void* data);
	void clear_state_f();
	void init(uint32_t sample_rate);
	void compute(int count, FAUSTFLOAT *input0, FAUSTFLOAT *output0);

	static void clear_state_f_static(PluginLV2*);
	static void init_static(uint32_t sample_rate, PluginLV2*);
	static void compute_static(int count, FAUSTFLOAT *input0, FAUSTFLOAT *output0, PluginLV2*);
	static void del_instance(PluginLV2 *p);
	static void connect_static(uint32_t port,void* data, PluginLV2 *p);
public:
	Dsp();
	~Dsp();
};



Dsp::Dsp()
	: PluginLV2() {
	version = PLUGINLV2_VERSION;
	id = "flanger_mono_gx";
	name = N_("Flanger GX");
	mono_audio = compute_static;
	stereo_audio = 0;
	set_samplerate = init_static;
	activate_plugin = 0;
	connect_ports = connect_static;
	clear_state = clear_state_f_static;
	delete_instance = del_instance;
}

Dsp::~Dsp() {
}

inline void Dsp::clear_state_f()
{
	for (int l0 = 0; (l0 < 2); l0 = (l0 + 1)) iVec0[l0] = 0;
	for (int l1 = 0; (l1 < 2048); l1 = (l1 + 1)) fVec1[l1] = 0.0;
	for (int l2 = 0; (l2 < 2); l2 = (l2 + 1)) fRec1[l2] = 0.0;
	for (int l3 = 0; (l3 < 2); l3 = (l3 + 1)) fRec2[l3] = 0.0;
	for (int l4 = 0; (l4 < 2048); l4 = (l4 + 1)) fVec2[l4] = 0.0;
	for (int l5 = 0; (l5 < 2); l5 = (l5 + 1)) fRec0[l5] = 0.0;
	for (int l6 = 0; (l6 < 4096); l6 = (l6 + 1)) fVec3[l6] = 0.0;
	for (int l7 = 0; (l7 < 2); l7 = (l7 + 1)) fRec3[l7] = 0.0;
}

void Dsp::clear_state_f_static(PluginLV2 *p)
{
	static_cast<Dsp*>(p)->clear_state_f();
}

inline void Dsp::init(uint32_t sample_rate)
{
	fSampleRate = sample_rate;
	fConst0 = std::min<double>(192000.0, std::max<double>(1.0, double(fSampleRate)));
	fConst1 = (0.5 * fConst0);
	fConst2 = (6.2831853071795862 / fConst0);
	IOTA = 0;
	clear_state_f();
}

void Dsp::init_static(uint32_t sample_rate, PluginLV2 *p)
{
	static_cast<Dsp*>(p)->init(sample_rate);
}

void always_inline Dsp::compute(int count, FAUSTFLOAT *input0, FAUSTFLOAT *output0)
{
#define fHslider0 (*fHslider0_)
#define fHslider1 (*fHslider1_)
#define fHslider2 (*fHslider2_)
#define fHslider3 (*fHslider3_)
#define fHslider4 (*fHslider4_)
#define fHslider5 (*fHslider5_)
	double fSlow0 = double(fHslider0);
	double fSlow1 = double(fHslider1);
	double fSlow2 = (0.01 * (fSlow0 * std::min<double>(1.0, (1.0 - fSlow1))));
	double fSlow3 = (2.0 - fSlow2);
	double fSlow4 = (0.01 * (fSlow0 * std::min<double>(1.0, (fSlow1 + 1.0))));
	double fSlow5 = (2.0 - fSlow4);
	double fSlow6 = (0.001 * double(fHslider2));
	double fSlow7 = (0.00050000000000000001 * double(fHslider3));
	double fSlow8 = (fConst2 * double(fHslider4));
	double fSlow9 = std::sin(fSlow8);
	double fSlow10 = std::cos(fSlow8);
	double fSlow11 = (0.33333333333333331 * (double(fHslider5) * (std::fabs(fSlow1) + 2.0)));
	for (int i = 0; (i < count); i = (i + 1)) {
		iVec0[0] = 1;
		double fTemp0 = double(input0[i]);
		fVec1[(IOTA & 2047)] = fTemp0;
		fRec1[0] = ((fSlow9 * fRec2[1]) + (fSlow10 * fRec1[1]));
		fRec2[0] = ((double((1 - iVec0[1])) + (fSlow10 * fRec2[1])) - (fSlow9 * fRec1[1]));
		double fTemp1 = (fSlow6 + (fSlow7 * (fRec1[0] + 1.0)));
		double fTemp2 = (fConst1 * fTemp1);
		double fTemp3 = std::floor(fTemp2);
		double fTemp4 = (fTemp3 + (1.0 - fTemp2));
		double fTemp5 = (fTemp2 - fTemp3);
		int iTemp6 = int(fTemp2);
		int iTemp7 = std::min<int>(1025, std::max<int>(0, (iTemp6 + 1)));
		int iTemp8 = std::min<int>(1025, std::max<int>(0, iTemp6));
		double fTemp9 = ((fTemp5 * fVec1[((IOTA - iTemp7) & 2047)]) + ((fSlow11 * fRec0[1]) + (fVec1[((IOTA - iTemp8) & 2047)] * fTemp4)));
		fVec2[(IOTA & 2047)] = fTemp9;
		fRec0[0] = ((fTemp4 * fVec2[((IOTA - iTemp8) & 2047)]) + (fTemp5 * fVec2[((IOTA - iTemp7) & 2047)]));
		double fTemp10 = ((fSlow5 * fTemp0) + (fSlow4 * fRec0[0]));
		double fTemp11 = (fTemp10 - (fSlow11 * fRec3[1]));
		fVec3[(IOTA & 4095)] = fTemp11;
		double fTemp12 = (fConst0 * fTemp1);
		int iTemp13 = int(fTemp12);
		double fTemp14 = std::floor(fTemp12);
		fRec3[0] = ((fVec3[((IOTA - std::min<int>(2049, std::max<int>(0, iTemp13))) & 4095)] * (fTemp14 + (1.0 - fTemp12))) + ((fTemp12 - fTemp14) * fVec3[((IOTA - std::min<int>(2049, std::max<int>(0, (iTemp13 + 1)))) & 4095)]));
		output0[i] = FAUSTFLOAT((0.25 * ((fSlow3 * fTemp10) + (fSlow2 * fRec3[0]))));
		iVec0[1] = iVec0[0];
		IOTA = (IOTA + 1);
		fRec1[1] = fRec1[0];
		fRec2[1] = fRec2[0];
		fRec0[1] = fRec0[0];
		fRec3[1] = fRec3[0];
	}
#undef fHslider0
#undef fHslider1
#undef fHslider2
#undef fHslider3
#undef fHslider4
#undef fHslider5
}

void __rt_func Dsp::compute_static(int count, FAUSTFLOAT *input0, FAUSTFLOAT *output0, PluginLV2 *p)
{
	static_cast<Dsp*>(p)->compute(count, input0, output0);
}


void Dsp::connect(uint32_t port,void* data)
{
	switch ((PortIndex)port)
	{
	case DEPTH: 
		fHslider2_ = (float*)data; // , 0.5, 0.0, 5.0, 0.01 
		break;
	case FEEDBACK: 
		fHslider5_ = (float*)data; // , -0.70699999999999996, -0.98999999999999999, 0.98999999999999999, 0.01 
		break;
	case FREQ: 
		fHslider4_ = (float*)data; // , 0.20000000000000001, 0.050000000000000003, 10.0, 1.0600000000000001 
		break;
	case MIX: 
		fHslider1_ = (float*)data; // , 0.0, -1.0, 1.0, 0.10000000000000001 
		break;
	case WET: 
		fHslider0_ = (float*)data; // , 100.0, 0.0, 100.0, 1.0 
		break;
	case WIDTH: 
		fHslider3_ = (float*)data; // , 5.0, 0.0, 10.0, 0.01 
		break;
	default:
		break;
	}
}

void Dsp::connect_static(uint32_t port,void* data, PluginLV2 *p)
{
	static_cast<Dsp*>(p)->connect(port, data);
}


PluginLV2 *plugin() {
	return new Dsp();
}

void Dsp::del_instance(PluginLV2 *p)
{
	delete static_cast<Dsp*>(p);
}

/*
typedef enum
{
   DEPTH, 
   FEEDBACK, 
   FREQ, 
   MIX, 
   WET, 
   WIDTH, 
} PortIndex;
*/

} // end namespace gx_flanger
