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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
//-----------------------------------------------------
// name: "Phaser"
//
// Code generated with Faust 0.9.67 (http://faust.grame.fr)
//-----------------------------------------------------
/* link with */
#ifndef FAUSTPOWER
#define FAUSTPOWER
#define faustpower4(x) ((x)*(x)*(x)*(x))
#define faustpower3(x) ((x)*(x)*(x))
#define faustpower2(x) ((x)*(x))
#define max(a, b) ((a) > (b) ? (a) : (b))
#define min(a, b) ((a) < (b) ? (a) : (b))
#endif
/************************************************************************
************************************************************************
FAUST Architecture File
Copyright (C) 2003-2011 GRAME, Centre National de Creation Musicale
---------------------------------------------------------------------
This is sample code. This file is provided as an example of minimal
FAUST architecture file. Redistribution and use in source and binary
forms, with or without modification, in part or in full are permitted.
In particular you can create a derived work of this FAUST architecture
and distribute that work under terms of your choice.
This sample code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
************************************************************************
************************************************************************/
/******************************************************************************
*******************************************************************************
VECTOR INTRINSICS
*******************************************************************************
*******************************************************************************/
/******************************************************************************
*******************************************************************************
ABSTRACT USER INTERFACE
*******************************************************************************
*******************************************************************************/
//----------------------------------------------------------------------------
// FAUST generated signal processor
//----------------------------------------------------------------------------
#ifndef FAUSTFLOAT
#define FAUSTFLOAT float
#endif
class Dsp {
public:
int fSamplingFreq;
FAUSTFLOAT fslider0;
FAUSTFLOAT fcheckbox0;
FAUSTFLOAT fcheckbox1;
int iVec0[2];
FAUSTFLOAT fslider1;
FAUSTFLOAT fslider2;
FAUSTFLOAT fslider3;
int iConst0;
float fConst1;
FAUSTFLOAT fslider4;
float fConst2;
float fRec5[2];
float fRec6[2];
FAUSTFLOAT fslider5;
FAUSTFLOAT fslider6;
FAUSTFLOAT fslider7;
float fRec4[3];
float fRec3[3];
float fRec2[3];
float fRec1[3];
float fRec0[2];
float fRec11[3];
float fRec10[3];
float fRec9[3];
float fRec8[3];
float fRec7[2];
void instanceInit(int samplingFreq) {
fSamplingFreq = samplingFreq;
fslider0 = 1.0f;
fcheckbox0 = 0.0;
fcheckbox1 = 0.0;
for (int i=0; i<2; i++) iVec0[i] = 0;
fslider1 = 0.0f;
fslider2 = 0.0f;
fslider3 = 1e+03f;
iConst0 = min(192000, max(1, fSamplingFreq));
fConst1 = (1.0f / float(iConst0));
fslider4 = 0.5f;
fConst2 = (6.283185307179586f / float(iConst0));
for (int i=0; i<2; i++) fRec5[i] = 0;
for (int i=0; i<2; i++) fRec6[i] = 0;
fslider5 = 1e+02f;
fslider6 = 8e+02f;
fslider7 = 1.5f;
for (int i=0; i<3; i++) fRec4[i] = 0;
for (int i=0; i<3; i++) fRec3[i] = 0;
for (int i=0; i<3; i++) fRec2[i] = 0;
for (int i=0; i<3; i++) fRec1[i] = 0;
for (int i=0; i<2; i++) fRec0[i] = 0;
for (int i=0; i<3; i++) fRec11[i] = 0;
for (int i=0; i<3; i++) fRec10[i] = 0;
for (int i=0; i<3; i++) fRec9[i] = 0;
for (int i=0; i<3; i++) fRec8[i] = 0;
for (int i=0; i<2; i++) fRec7[i] = 0;
}
void init(int samplingFreq) {
instanceInit(samplingFreq);
}
// convert fixed point to float
// * invert bits if sign bit is set (0x08000000, or (1<<27))
// * cast int to float
// * divide by constant to shift decimal point
// * multiply by -1 if sign bit was set
float ConvertFracToFloat(int32_t frac) {
bool neg = (((1<<27) & frac) != 0);
float res = (float)(neg ? frac : ~frac);
res = res / (float(1<<29));
return (neg ? (-1 * res) : res);
}
void compute (int count,
const int32_t** input,
int32_t* left,
int32_t* right,
int param_fcheckbox0,
int param_fcheckbox1,
int param_fslider0,
int param_fslider1,
int param_fslider3,
int param_fslider4,
int param_fslider5,
int param_fslider6,
int param_fslider7) {
float fSlow0 = (0.5f * ((int(float(param_fcheckbox0)))?2:float(fslider0)));
float fSlow1 = ((int(float(param_fcheckbox1)))?(0 - fSlow0):fSlow0);
float fSlow2 = float(fslider1);
float fSlow3 = 10; //powf(10,(0.05f * float(fslider2)));
float fSlow4 = 0.8; //expf((fConst1 * (0 - (3.141592653589793f * float(fslider3)))));
float fSlow5 = faustpower2(fSlow4);
float fSlow6 = (fConst2 * 10*ConvertFracToFloat(param_fslider4));
float fSlow7 = cosf(fSlow6);
float fSlow8 = sinf(fSlow6);
float fSlow9 = (0 - fSlow8);
float fSlow10 = float(fslider5);
float fSlow11 = (6.283185307179586f * fSlow10);
float fSlow12 = (0.5f * ((6.283185307179586f * max(fSlow10, float(fslider6))) - fSlow11));
float fSlow13 = float(fslider7);
float fSlow14 = (fConst1 * fSlow13);
float fSlow15 = (0 - (2 * fSlow4));
float fSlow16 = (fConst1 * faustpower2(fSlow13));
float fSlow17 = (fConst1 * faustpower3(fSlow13));
float fSlow18 = (fConst1 * faustpower4(fSlow13));
float fSlow19 = (1 - fSlow0);
const int32_t* input0 = *input;
const int32_t* input1 = *input;
int32_t* output0 = left;
int32_t* output1 = right;
for (int i=0; i<count; i++) {
iVec0[0] = 1;
float fTemp0 = ConvertFracToFloat(input0[i]);
fRec5[0] = ((fSlow8 * fRec6[1]) + (fSlow7 * fRec5[1]));
fRec6[0] = ((1 + ((fSlow7 * fRec6[1]) + (fSlow9 * fRec5[1]))) - iVec0[1]);
float fTemp1 = (fSlow11 + (fSlow12 * (1 - fRec5[0])));
float fTemp2 = (fRec4[1] * cosf((fSlow14 * fTemp1)));
fRec4[0] = (0 - (((fSlow15 * fTemp2) + (fSlow5 * fRec4[2])) - ((fSlow3 * fTemp0) + (fSlow2 * fRec0[1]))));
float fTemp3 = (fRec3[1] * cosf((fSlow16 * fTemp1)));
fRec3[0] = ((fSlow15 * (fTemp2 - fTemp3)) + (fRec4[2] + (fSlow5 * (fRec4[0] - fRec3[2]))));
float fTemp4 = (fRec2[1] * cosf((fSlow17 * fTemp1)));
fRec2[0] = ((fSlow15 * (fTemp3 - fTemp4)) + (fRec3[2] + (fSlow5 * (fRec3[0] - fRec2[2]))));
float fTemp5 = (fRec1[1] * cosf((fSlow18 * fTemp1)));
fRec1[0] = ((fSlow15 * (fTemp4 - fTemp5)) + (fRec2[2] + (fSlow5 * (fRec2[0] - fRec1[2]))));
fRec0[0] = ((fSlow5 * fRec1[0]) + ((fSlow15 * fTemp5) + fRec1[2]));
output0[i] = ConvertFloatToFrac((fSlow3 * (fTemp0 * fSlow19)) + (fRec0[0] * fSlow1));
float fTemp6 = ConvertFracToFloat(input1[i]);
float fTemp7 = (fSlow11 + (fSlow12 * (1 - fRec6[0])));
float fTemp8 = (fRec11[1] * cosf((fSlow14 * fTemp7)));
fRec11[0] = (0 - (((fSlow15 * fTemp8) + (fSlow5 * fRec11[2])) - ((fSlow3 * fTemp6) + (fSlow2 * fRec7[1]))));
float fTemp9 = (fRec10[1] * cosf((fSlow16 * fTemp7)));
fRec10[0] = ((fSlow15 * (fTemp8 - fTemp9)) + (fRec11[2] + (fSlow5 * (fRec11[0] - fRec10[2]))));
float fTemp10 = (fRec9[1] * cosf((fSlow17 * fTemp7)));
fRec9[0] = ((fSlow15 * (fTemp9 - fTemp10)) + (fRec10[2] + (fSlow5 * (fRec10[0] - fRec9[2]))));
float fTemp11 = (fRec8[1] * cosf((fSlow18 * fTemp7)));
fRec8[0] = ((fSlow15 * (fTemp10 - fTemp11)) + (fRec9[2] + (fSlow5 * (fRec9[0] - fRec8[2]))));
fRec7[0] = ((fSlow5 * fRec8[0]) + ((fSlow15 * fTemp11) + fRec8[2]));
output1[i] = ConvertFloatToFrac((fSlow3 * (fTemp6 * fSlow19)) + (fRec7[0] * fSlow1));
// post processing
fRec7[1] = fRec7[0];
fRec8[2] = fRec8[1]; fRec8[1] = fRec8[0];
fRec9[2] = fRec9[1]; fRec9[1] = fRec9[0];
fRec10[2] = fRec10[1]; fRec10[1] = fRec10[0];
fRec11[2] = fRec11[1]; fRec11[1] = fRec11[0];
fRec0[1] = fRec0[0];
fRec1[2] = fRec1[1]; fRec1[1] = fRec1[0];
fRec2[2] = fRec2[1]; fRec2[1] = fRec2[0];
fRec3[2] = fRec3[1]; fRec3[1] = fRec3[0];
fRec4[2] = fRec4[1]; fRec4[1] = fRec4[0];
fRec6[1] = fRec6[0];
fRec5[1] = fRec5[0];
iVec0[1] = iVec0[0];
}
}
};
|
