File: lfboost.cpp1

package info (click to toggle)
faust 2.79.3%2Bds-2
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 397,496 kB
  • sloc: cpp: 278,433; ansic: 116,164; javascript: 18,529; vhdl: 14,052; sh: 13,884; java: 5,900; objc: 3,852; python: 3,222; makefile: 2,655; cs: 1,672; lisp: 1,146; ruby: 954; yacc: 586; xml: 471; lex: 247; awk: 110; tcl: 26
file content (127 lines) | stat: -rw-r--r-- 4,422 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
//----------------------------------------------------------
// author: "Grame"
// copyright: "(c)GRAME 2006"
// license: "BSD"
// name: "lfboost"
// version: "1.0"
//
// Code generated with Faust 2.77.2 (https://faust.grame.fr)
//----------------------------------------------------------

/* link with  */
#include <math.h>
#ifndef FAUSTFLOAT
#define FAUSTFLOAT float
#endif 


#ifndef FAUSTCLASS 
#define FAUSTCLASS mydsp
#endif

class mydsp : public dsp {
  private:
	FAUSTFLOAT 	fentry0;
	float 	fConst0; // step: 9
	FAUSTFLOAT 	fslider0;
	// Recursion delay fVeeec0 is of type kCopyDelay
	// While its definition is of type kZeroDelay
	float 	fVeeec0State[2]; // Copy Delay
	int fSampleRate;

  public:
	virtual void metadata(Meta* m) { 
		m->declare("author", "Grame");
		m->declare("copyright", "(c)GRAME 2006");
		m->declare("filename", "lfboost.dsp");
		m->declare("license", "BSD");
		m->declare("math.lib/author", "GRAME");
		m->declare("math.lib/copyright", "GRAME");
		m->declare("math.lib/deprecated", "This library is deprecated and is not maintained anymore. It will be removed in August 2017.");
		m->declare("math.lib/license", "LGPL with exception");
		m->declare("math.lib/name", "Math Library");
		m->declare("math.lib/version", "1.0");
		m->declare("music.lib/author", "GRAME");
		m->declare("music.lib/copyright", "GRAME");
		m->declare("music.lib/license", "LGPL with exception");
		m->declare("music.lib/name", "Music Library");
		m->declare("music.lib/version", "1.0");
		m->declare("name", "lfboost");
		m->declare("version", "1.0");
	}

	virtual int getNumInputs() { return 1; }
	virtual int getNumOutputs() { return 1; }
	static void classInit(int sample_rate) {
	}
	virtual void instanceConstants(int sample_rate) {
		fSampleRate = sample_rate;
		fConst0 = (3.1415927f / min(1.92e+05f, max(1.0f, float(fSampleRate)))); // step: 9
	}
	virtual void instanceResetUserInterface() {
		fentry0 = 1e+02f;
		fslider0 = 0.0f;
	}
	virtual void instanceClear() {
		for (int j = 0; j < 2; j++) { fVeeec0State[j] = 0; }
	}
	virtual void init(int sample_rate) {
		classInit(sample_rate);
		instanceInit(sample_rate);
	}
	virtual void instanceInit(int sample_rate) {
		instanceConstants(sample_rate);
		instanceResetUserInterface();
		instanceClear();
	}
	virtual mydsp* clone() {
		return new mydsp();
	}
	virtual int getSampleRate() {
		return fSampleRate;
	}
	virtual void buildUserInterface(UI* ui_interface) {
		ui_interface->openVerticalBox("lowboost");
		ui_interface->declare(&fentry0, "style", "knob");
		ui_interface->declare(&fentry0, "unit", "Hz");
		ui_interface->addNumEntry("freq", &fentry0, 1e+02f, 2e+01f, 1.5e+02f, 1.0f);
		ui_interface->declare(&fslider0, "unit", "dB");
		ui_interface->addVerticalSlider("gain", &fslider0, 0.0f, -2e+01f, 2e+01f, 0.1f);
		ui_interface->closeBox();
	}
	virtual void compute (int count, FAUSTFLOAT** input, FAUSTFLOAT** output) {
		float 	fSlow0 = tanf((fConst0 * float(fentry0))); // step: 11
		float 	fSlow1 = (1.0f / ((fSlow0 * (fSlow0 + 1.4142135f)) + 1.0f)); // step: 16
		float 	fSlow2 = powf(1e+01f,(0.05f * float(fslider0))); // step: 24
		float 	fSlow3 = sqrtf((2.0f * fSlow2)); // step: 26
		float 	fSlow4 = (fSlow2 * fSlow0); // step: 27
		float 	fSlow5 = (1.0f - (fSlow0 * (fSlow3 - fSlow4))); // step: 30
		float 	fSlow6 = ((fSlow0 * (fSlow0 + -1.4142135f)) + 1.0f); // step: 37
		float 	fSlow7 = powf(fSlow0,2.0f); // step: 42
		float 	fSlow8 = (2.0f * (fSlow7 + -1.0f)); // step: 44
		float 	fVeeec0[3];
		float 	fSlow9 = ((fSlow0 * (fSlow3 + fSlow4)) + 1.0f); // step: 53
		float 	fSlow10 = (2.0f * ((fSlow2 * fSlow7) + -1.0f)); // step: 57
		int fullcount = count;
		for (int index = 0; index < fullcount; index += 32) {
			int count = min(32, fullcount-index);
			FAUSTFLOAT* input0 = &input[0][index]; // Zone 3
			FAUSTFLOAT* output0 = &output[0][index]; // Zone 3
			fVeeec0[1] = fVeeec0State[0];
			fVeeec0[2] = fVeeec0State[1];
			for (int i=0; i<count; i++) {
				float 	fTemp0 = fVeeec0[2]; // step: 18
				float 	fTemp1 = fVeeec0[1]; // step: 40
				fVeeec0[0] = ((float)input0[i] - (fSlow1 * ((fSlow6 * fTemp0) + (fSlow8 * fTemp1))));
				output0[i] = (FAUSTFLOAT)((fSlow1 * (((fSlow9 * fVeeec0[0]) + (fSlow10 * fTemp1)) + (fSlow5 * fTemp0))));  // Zone Exec Code
				// post processing
				fVeeec0[2] = fVeeec0[1];
				fVeeec0[1] = fVeeec0[0];
			}
			fVeeec0State[0] = fVeeec0[1];
			fVeeec0State[1] = fVeeec0[2];
		}
	}
};