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
|
/*
* Copyright (C) 2021 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2021 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-plugins-graph-equalizer
* Created on: 3 авг. 2021 г.
*
* lsp-plugins-graph-equalizer is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-plugins-graph-equalizer 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-plugins-graph-equalizer. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PRIVATE_PLUGINS_GRAPH_EQUALIZER_H_
#define PRIVATE_PLUGINS_GRAPH_EQUALIZER_H_
#include <lsp-plug.in/plug-fw/plug.h>
#include <lsp-plug.in/plug-fw/core/IDBuffer.h>
#include <lsp-plug.in/dsp-units/ctl/Bypass.h>
#include <lsp-plug.in/dsp-units/filters/Equalizer.h>
#include <lsp-plug.in/dsp-units/util/Analyzer.h>
#include <lsp-plug.in/dsp-units/util/Delay.h>
#include <private/meta/graph_equalizer.h>
namespace lsp
{
namespace plugins
{
/**
* Graphic Equalizer Plugin Series
*/
class graph_equalizer: public plug::Module
{
public:
enum eq_mode_t
{
EQ_MONO,
EQ_STEREO,
EQ_LEFT_RIGHT,
EQ_MID_SIDE
};
protected:
enum chart_state_t
{
CS_UPDATE = 1 << 0,
CS_SYNC_AMP = 1 << 1
};
enum fft_position_t
{
FFTP_NONE,
FFTP_POST,
FFTP_PRE
};
typedef struct eq_band_t
{
bool bSolo; // Solo
size_t nSync; // Chart state
float *vTrRe; // Transfer function (real part)
float *vTrIm; // Transfer function (imaginary part)
plug::IPort *pGain; // Gain port
plug::IPort *pSolo; // Solo port
plug::IPort *pMute; // Mute port
plug::IPort *pEnable; // Enable port
plug::IPort *pVisibility; // Filter visibility
} eq_band_t;
typedef struct eq_channel_t
{
dspu::Equalizer sEqualizer; // Equalizer
dspu::Bypass sBypass; // Bypass
dspu::Delay sDryDelay; // Dry delay
size_t nSync; // Chart state
float fInGain; // Input gain
float fOutGain; // Output gain
eq_band_t *vBands; // Bands
float *vIn; // Input buffer
float *vOut; // Output buffer
float *vDryBuf; // Dry buffer
float *vBuffer; // Temporary buffer
float *vTrRe; // Transfer function (real part)
float *vTrIm; // Transfer function (imaginary part)
plug::IPort *pIn; // Input port
plug::IPort *pOut; // Output port
plug::IPort *pInGain; // Input gain
plug::IPort *pTrAmp; // Amplitude chart
plug::IPort *pFft; // FFT chart
plug::IPort *pVisible; // Visibility flag
plug::IPort *pInMeter; // Output level meter
plug::IPort *pOutMeter; // Output level meter
} eq_channel_t;
protected:
static const float band_frequencies[];
protected:
inline dspu::equalizer_mode_t get_eq_mode();
void dump_channel(dspu::IStateDumper *v, const eq_channel_t *c) const;
static void dump_band(dspu::IStateDumper *v, const eq_band_t *b);
protected:
dspu::Analyzer sAnalyzer; // Analyzer
eq_channel_t *vChannels; // Equalizer channels
size_t nBands; // Number of bands
size_t nMode; // Equalize mode
size_t nFftPosition; // FFT analysis position
size_t nSlope; // Slope
bool bListen; // Listen
bool bMatched; // Matched transorm/Bilinear transform flag
float fInGain; // Input gain
float fZoom; // Zoom gain
float *vFreqs; // Frequency list
uint32_t *vIndexes; // FFT indexes
core::IDBuffer *pIDisplay; // Inline display buffer
plug::IPort *pEqMode; // Equalizer mode
plug::IPort *pSlope; // Filter slope
plug::IPort *pListen; // Mid-Side listen
plug::IPort *pInGain; // Input gain
plug::IPort *pOutGain; // Output gain
plug::IPort *pBypass; // Bypass
plug::IPort *pFftMode; // FFT mode
plug::IPort *pReactivity; // FFT reactivity
plug::IPort *pShiftGain; // Shift gain
plug::IPort *pZoom; // Graph zoom
plug::IPort *pBalance; // Output balance
public:
explicit graph_equalizer(const meta::plugin_t *metadata, size_t bands, size_t mode);
virtual ~graph_equalizer();
public:
virtual void init(plug::IWrapper *wrapper, plug::IPort **ports);
virtual void destroy();
virtual void update_settings();
virtual void update_sample_rate(long sr);
virtual void ui_activated();
virtual void process(size_t samples);
virtual bool inline_display(plug::ICanvas *cv, size_t width, size_t height);
virtual void dump(dspu::IStateDumper *v) const;
};
} // namespace plugins
} // namespace lsp
#endif /* PRIVATE_PLUGINS_GRAPH_EQUALIZER_H_ */
|
