-
Notifications
You must be signed in to change notification settings - Fork 37
/
ZamNoisePlugin.cpp
183 lines (153 loc) · 4.16 KB
/
ZamNoisePlugin.cpp
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
/*
* ZamNoise Noise detection and removal plugin
* Copyright (C) 2014 Damien Zammit <damien@zamaudio.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program 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. See the
* GNU General Public License for more details.
*
* For a full copy of the GNU General Public License see the doc/GPL.txt file.
*/
#include "ZamNoisePlugin.hpp"
START_NAMESPACE_DISTRHO
// -----------------------------------------------------------------------
ZamNoisePlugin::ZamNoisePlugin()
: Plugin(paramCount, 1, 0) // 1 program, 0 states
{
buffer.cbsize = 0;
zamnoise = new Denoise(getSampleRate());
ZamNoisePlugin::init();
// set default values
loadProgram(0);
// reset
deactivate();
}
ZamNoisePlugin::~ZamNoisePlugin()
{
buffer.cbsize = 0;
delete zamnoise;
free(buffer.cbi);
}
// -----------------------------------------------------------------------
// Init
void ZamNoisePlugin::initParameter(uint32_t index, Parameter& parameter)
{
switch (index)
{
case paramNoiseToggle:
parameter.hints = kParameterIsAutomatable | kParameterIsBoolean;
parameter.name = "Noise Capture";
parameter.symbol = "noisecapture";
parameter.unit = "";
parameter.ranges.def = 0.f;
parameter.ranges.min = 0.f;
parameter.ranges.max = 1.f;
break;
case paramReductionAmount:
parameter.hints = kParameterIsAutomatable;
parameter.name = "Reduction Amount";
parameter.symbol = "amount";
parameter.unit = "%";
parameter.ranges.def = 50.f;
parameter.ranges.min = 0.f;
parameter.ranges.max = 100.f;
break;
default:
break;
}
}
void ZamNoisePlugin::initProgramName(uint32_t index, String& programName)
{
if (index != 0)
return;
programName = "Default";
}
// -----------------------------------------------------------------------
// Internal data
float ZamNoisePlugin::getParameterValue(uint32_t index) const
{
switch (index)
{
case paramNoiseToggle:
return noisetoggle;
break;
case paramReductionAmount:
return amount;
break;
default:
return 0.0f;
break;
}
}
void ZamNoisePlugin::setParameterValue(uint32_t index, float value)
{
switch (index)
{
case paramNoiseToggle:
if (value == 1.f) {
if (buffer.cbsize > 0)
memset(buffer.cbi, 0, buffer.cbsize*sizeof(float));
}
noisetoggle = value;
break;
case paramReductionAmount:
amount = value;
break;
}
}
void ZamNoisePlugin::loadProgram(uint32_t index)
{
if (index != 0)
return;
noisetoggle = 0.f;
amount = 50.f;
activate();
}
void ZamNoisePlugin::InstantiateCircularBuffer(CircularBuffer* buf) {
buf->cbi = (float*) calloc(DENOISE_MAX_FFT, sizeof(float));
buf->cbsize = DENOISE_MAX_FFT;
}
void ZamNoisePlugin::init (void)
{
InstantiateCircularBuffer(&buffer);
}
// -----------------------------------------------------------------------
// Process
void ZamNoisePlugin::activate()
{
}
void ZamNoisePlugin::deactivate()
{
}
void ZamNoisePlugin::run(const float** inputs, float** outputs, uint32_t frames)
{
if (buffer.cbsize > 0) {
zamnoise->process(inputs[0], outputs[0], buffer.cbi, frames, (int)noisetoggle, amount / 100.);
} else {
uint32_t i;
for (i = 0; i < frames; i++) {
outputs[0][i] = inputs[0][i];
}
}
}
void ZamNoisePlugin::sampleRateChanged(double newSampleRate)
{
buffer.cbsize = 0;
delete zamnoise;
free(buffer.cbi);
zamnoise = new Denoise(newSampleRate);
ZamNoisePlugin::init();
}
// -----------------------------------------------------------------------
Plugin* createPlugin()
{
return new ZamNoisePlugin();
}
// -----------------------------------------------------------------------
END_NAMESPACE_DISTRHO