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
|
/*
* ZaMultiCompX2 stereo multiband compressor
* 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 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.
*/
#ifndef ZAMULTICOMPX2PLUGIN_HPP_INCLUDED
#define ZAMULTICOMPX2PLUGIN_HPP_INCLUDED
#include "DistrhoPlugin.hpp"
#include <algorithm>
START_NAMESPACE_DISTRHO
#define MAX_FILT 2
#define MAX_COMP 3
#define MAX_SAMPLES 480
#define STEREOLINK_MAX 1
#define STEREOLINK_AVERAGE 0
#define DANGER 100000.f
#define EPS 1e-20f
// -----------------------------------------------------------------------
class ZaMultiCompX2Plugin : public Plugin
{
public:
enum Parameters
{
paramAttack1 = 0,
paramAttack2,
paramAttack3,
paramRelease1,
paramRelease2,
paramRelease3,
paramKnee1,
paramKnee2,
paramKnee3,
paramRatio1,
paramRatio2,
paramRatio3,
paramThresh1,
paramThresh2,
paramThresh3,
paramMakeup1,
paramMakeup2,
paramMakeup3,
paramXover1,
paramXover2,
paramGainR1,
paramGainR2,
paramGainR3,
paramToggle1,
paramToggle2,
paramToggle3,
paramListen1,
paramListen2,
paramListen3,
paramStereoDet,
paramGlobalGain,
paramOutputLevelL,
paramOutputLevelR,
paramOutputLevelLow,
paramOutputLevelMed,
paramOutputLevelHigh,
paramCount
};
enum States
{
stateReadMeter,
stateCount
};
ZaMultiCompX2Plugin();
protected:
// -------------------------------------------------------------------
// Information
const char* getLabel() const noexcept override
{
return "ZaMultiCompX2";
}
const char* getDescription() const noexcept override
{
return "Flagship of zam-plugins:\n\
Stereo version of ZaMultiComp, with individual threshold controls for each band and real-time visualisation of comp curves.";
}
const char* getMaker() const noexcept override
{
return "Damien Zammit";
}
const char* getHomePage() const noexcept override
{
return "http://www.zamaudio.com";
}
const char* getLicense() const noexcept override
{
return "GPL v2+";
}
uint32_t getVersion() const noexcept override
{
return 0x1700;
}
int64_t getUniqueId() const noexcept override
{
return d_cconst('Z', 'M', 'M', '2');
}
// -------------------------------------------------------------------
// Init
void initParameter(uint32_t index, Parameter& parameter) ;
void initProgramName(uint32_t index, String& programName) ;
// -------------------------------------------------------------------
// Internal data
float getParameterValue(uint32_t index) const override;
void setParameterValue(uint32_t index, float value) override;
void loadProgram(uint32_t index) override;
// -------------------------------------------------------------------
// Process
static inline float
sanitize_denormal(float v) {
if(!std::isnormal(v))
return 0.f;
return v;
}
static inline float
from_dB(float gdb) {
return (exp(gdb/20.f*log(10.f)));
}
static inline float
to_dB(float g) {
return (20.f*log10(g));
}
void run_comp(int k, float inL, float inR, float *outL, float *outR);
void run_limit(float inL, float inR, float *outL, float *outR);
void run_lr4(int i, int ch, float in, float *outlo, float *outhi);
void calc_lr4(float f, int i, int ch);
void activate() override;
void run(const float** inputs, float** outputs, uint32_t frames) override;
void pushsample(float samples[], float sample, int k);
float averageabs(float samples[]);
// -------------------------------------------------------------------
private:
float attack[MAX_COMP],release[MAX_COMP],knee[MAX_COMP],ratio[MAX_COMP],thresdb[MAX_COMP],makeup[MAX_COMP],globalgain,stereodet;
float gainr[MAX_COMP],toggle[MAX_COMP],listen[MAX_COMP],maxL,maxR,outl,outr,xover1,xover2;
float old_yl[2][MAX_COMP], old_y1[2][MAX_COMP], old_yg[2][MAX_COMP];
float old_ll[2], old_l1[2];
float outlevel[3];
int pos[3];
float outlevelold[3][MAX_SAMPLES];
float oldxover1, oldxover2;
bool resetl;
bool resetr;
// Crossover filter coefficients
float c1[2][MAX_FILT];
float c2[2][MAX_FILT];
float c3[2][MAX_FILT];
float c4[2][MAX_FILT];
float gl[2][MAX_FILT];
float gh[2][MAX_FILT];
//Crossover filter states
float z1[2][MAX_FILT];
float z2[2][MAX_FILT];
float z3[2][MAX_FILT];
float z4[2][MAX_FILT];
float z5[2][MAX_FILT];
float z6[2][MAX_FILT];
};
// -----------------------------------------------------------------------
END_NAMESPACE_DISTRHO
#endif
|
