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


namespace biquad {

class Dsp: public PluginDef {
private:
	int fSampleRate;
	FAUSTFLOAT fVslider0;
	double fConst0;
	double fRec0[3];

	void clear_state_f();
	int load_ui_f(const UiBuilder& b, int form);
	static const char *glade_def;
	void init(unsigned int sample_rate);
	void compute(int count, FAUSTFLOAT *input0, FAUSTFLOAT *output0);
	int register_par(const ParamReg& reg);

	static void clear_state_f_static(PluginDef*);
	static int load_ui_f_static(const UiBuilder& b, int form);
	static void init_static(unsigned int sample_rate, PluginDef*);
	static void compute_static(int count, FAUSTFLOAT *input0, FAUSTFLOAT *output0, PluginDef*);
	static int register_params_static(const ParamReg& reg);
	static void del_instance(PluginDef *p);
public:
	Dsp();
	~Dsp();
};



Dsp::Dsp()
	: PluginDef() {
	version = PLUGINDEF_VERSION;
	flags = 0;
	id = "biquad";
	name = N_("BiQuad Filter");
	groups = 0;
	description = ""; // description (tooltip)
	category = N_("Tone Control");       // category
	shortname = N_("BiQuadFilter");     // shortname
	mono_audio = compute_static;
	stereo_audio = 0;
	set_samplerate = init_static;
	activate_plugin = 0;
	register_params = register_params_static;
	load_ui = load_ui_f_static;
	clear_state = clear_state_f_static;
	delete_instance = del_instance;
}

Dsp::~Dsp() {
}

inline void Dsp::clear_state_f()
{
	for (int l0 = 0; l0 < 3; l0 = l0 + 1) fRec0[l0] = 0.0;
}

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

inline void Dsp::init(unsigned int sample_rate)
{
	fSampleRate = sample_rate;
	fConst0 = 6.283185307179586 / std::min<double>(1.92e+05, std::max<double>(1.0, double(fSampleRate)));
	clear_state_f();
}

void Dsp::init_static(unsigned int sample_rate, PluginDef *p)
{
	static_cast<Dsp*>(p)->init(sample_rate);
}

void always_inline Dsp::compute(int count, FAUSTFLOAT *input0, FAUSTFLOAT *output0)
{
	double fSlow0 = std::log(fConst0 * double(fVslider0));
	double fSlow1 = 1.8442 * std::cos(std::exp(0.43359433 * mydsp_faustpower2_f(fSlow0) + 0.27547621 * mydsp_faustpower3_f(fSlow0) + 0.06446806 * mydsp_faustpower4_f(fSlow0) + 0.00506158 * mydsp_faustpower5_f(fSlow0) + 1.31282248 * fSlow0 + 0.07238887));
	for (int i0 = 0; i0 < count; i0 = i0 + 1) {
		fRec0[0] = double(input0[i0]) + fSlow1 * fRec0[1] - 0.8502684100000001 * fRec0[2];
		output0[i0] = FAUSTFLOAT(0.31622776601683794 * (fRec0[0] - 1.059 * fRec0[1]));
		fRec0[2] = fRec0[1];
		fRec0[1] = fRec0[0];
	}
}

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

int Dsp::register_par(const ParamReg& reg)
{
	reg.registerFloatVar("biquad.Freq",N_("Frequency"),"S","",&fVslider0, 1.2e+03, 3e+02, 3e+03, 5.0, 0);
	return 0;
}

int Dsp::register_params_static(const ParamReg& reg)
{
	return static_cast<Dsp*>(reg.plugin)->register_par(reg);
}

const char *Dsp::glade_def = "\
<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
<!-- Generated with glade 3.22.1 -->\n\
<interface>\n\
  <requires lib=\"gtk+\" version=\"3.20\"/>\n\
  <requires lib=\"gxwidgets\" version=\"0.0\"/>\n\
  <object class=\"GtkWindow\" id=\"window1\">\n\
    <property name=\"can_focus\">False</property>\n\
    <child>\n\
      <placeholder/>\n\
    </child>\n\
    <child>\n\
      <object class=\"GtkBox\" id=\"vbox1\">\n\
        <property name=\"visible\">True</property>\n\
        <property name=\"can_focus\">False</property>\n\
        <property name=\"orientation\">vertical</property>\n\
        <child>\n\
          <object class=\"GtkBox\" id=\"rackbox\">\n\
            <property name=\"visible\">True</property>\n\
            <property name=\"can_focus\">False</property>\n\
            <property name=\"spacing\">4</property>\n\
            <child>\n\
              <object class=\"GtkBox\" id=\"hbox1\">\n\
                <property name=\"visible\">True</property>\n\
                <property name=\"can_focus\">False</property>\n\
                <property name=\"spacing\">10</property>\n\
                <child>\n\
                  <object class=\"GtkBox\" id=\"vbox2\">\n\
                    <property name=\"visible\">True</property>\n\
                    <property name=\"can_focus\">False</property>\n\
                    <property name=\"orientation\">vertical</property>\n\
                    <child>\n\
                      <object class=\"GtkLabel\" id=\"label1:rack_label\">\n\
                        <property name=\"visible\">True</property>\n\
                        <property name=\"can_focus\">False</property>\n\
                        <property name=\"label\" translatable=\"yes\">label</property>\n\
                      </object>\n\
                      <packing>\n\
                        <property name=\"expand\">False</property>\n\
                        <property name=\"fill\">False</property>\n\
                        <property name=\"position\">0</property>\n\
                      </packing>\n\
                    </child>\n\
                    <child>\n\
                      <object class=\"GxMidKnob\" id=\"gxbigknob1\">\n\
                        <property name=\"visible\">True</property>\n\
                        <property name=\"can_focus\">True</property>\n\
                        <property name=\"receives_default\">True</property>\n\
                        <property name=\"var_id\">biquad.Freq</property>\n\
                        <property name=\"label_ref\">label1:rack_label</property>\n\
                      </object>\n\
                      <packing>\n\
                        <property name=\"expand\">False</property>\n\
                        <property name=\"fill\">False</property>\n\
                        <property name=\"position\">1</property>\n\
                      </packing>\n\
                    </child>\n\
                  </object>\n\
                  <packing>\n\
                    <property name=\"expand\">False</property>\n\
                    <property name=\"fill\">False</property>\n\
                    <property name=\"position\">0</property>\n\
                  </packing>\n\
                </child>\n\
              </object>\n\
              <packing>\n\
                <property name=\"expand\">True</property>\n\
                <property name=\"fill\">False</property>\n\
                <property name=\"pack_type\">end</property>\n\
                <property name=\"position\">0</property>\n\
              </packing>\n\
            </child>\n\
          </object>\n\
          <packing>\n\
            <property name=\"expand\">True</property>\n\
            <property name=\"fill\">False</property>\n\
            <property name=\"position\">0</property>\n\
          </packing>\n\
        </child>\n\
        <child>\n\
          <object class=\"GtkBox\" id=\"minibox\">\n\
            <property name=\"visible\">True</property>\n\
            <property name=\"can_focus\">False</property>\n\
            <property name=\"spacing\">4</property>\n\
            <child>\n\
              <object class=\"GxHSlider\" id=\"gxhslider1\">\n\
                <property name=\"visible\">True</property>\n\
                <property name=\"can_focus\">True</property>\n\
                <property name=\"receives_default\">True</property>\n\
                <property name=\"round_digits\">0</property>\n\
                <property name=\"var_id\">biquad.Freq</property>\n\
                <property name=\"show_value\">False</property>\n\
                <property name=\"value_position\">right</property>\n\
                <property name=\"value_xalign\">0.52000000000000002</property>\n\
                <property name=\"label_ref\">label0:rack_label</property>\n\
              </object>\n\
              <packing>\n\
                <property name=\"expand\">False</property>\n\
                <property name=\"fill\">False</property>\n\
                <property name=\"position\">0</property>\n\
              </packing>\n\
            </child>\n\
            <child>\n\
              <object class=\"GtkLabel\" id=\"label0:rack_label\">\n\
                <property name=\"visible\">True</property>\n\
                <property name=\"can_focus\">False</property>\n\
                <property name=\"label\" translatable=\"yes\">Frequency</property>\n\
                <property name=\"xalign\">0</property>\n\
              </object>\n\
              <packing>\n\
                <property name=\"expand\">False</property>\n\
                <property name=\"fill\">False</property>\n\
                <property name=\"position\">1</property>\n\
              </packing>\n\
            </child>\n\
          </object>\n\
          <packing>\n\
            <property name=\"expand\">True</property>\n\
            <property name=\"fill\">True</property>\n\
            <property name=\"position\">1</property>\n\
          </packing>\n\
        </child>\n\
      </object>\n\
    </child>\n\
  </object>\n\
</interface>\n\
";

inline int Dsp::load_ui_f(const UiBuilder& b, int form)
{
    if (form & UI_FORM_GLADE) {
        b.load_glade(glade_def);
        return 0;
    }
    if (form & UI_FORM_STACK) {
#define PARAM(p) ("biquad" "." p)
b.openHorizontalhideBox("");
b.create_master_slider(PARAM("Freq"), _("Freq"));
b.closeBox();
b.openVerticalBox("");
{
    b.openHorizontalBox("");
    {
	b.create_small_rackknobr(PARAM("Freq"), _("Freq"));
    }
    b.closeBox();
}
b.closeBox();

#undef PARAM
        return 0;
    }
	return -1;
}

int Dsp::load_ui_f_static(const UiBuilder& b, int form)
{
	return static_cast<Dsp*>(b.plugin)->load_ui_f(b, form);
}
PluginDef *plugin() {
	return new Dsp();
}

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

} // end namespace biquad
