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
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
/*
* Copyright (C) 2025 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2025 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-plugins-compressor
* Created on: 3 авг. 2021 г.
*
* lsp-plugins-compressor 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-compressor 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-compressor. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PRIVATE_PLUGINS_COMPRESSOR_H_
#define PRIVATE_PLUGINS_COMPRESSOR_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/dynamics/Compressor.h>
#include <lsp-plug.in/dsp-units/filters/Equalizer.h>
#include <lsp-plug.in/dsp-units/util/Delay.h>
#include <lsp-plug.in/dsp-units/util/MeterGraph.h>
#include <lsp-plug.in/dsp-units/util/Sidechain.h>
#include <private/meta/compressor.h>
namespace lsp
{
namespace plugins
{
/**
* Compressor Plugin Series
*/
class compressor: public plug::Module
{
public:
enum c_mode_t
{
CM_MONO,
CM_STEREO,
CM_LR,
CM_MS
};
protected:
enum sc_source_t
{
SCT_FEED_FORWARD,
SCT_FEED_BACK,
SCT_EXTERNAL,
SCT_LINK,
};
enum sc_graph_t
{
G_IN,
G_SC,
G_ENV,
G_GAIN,
G_OUT,
G_TOTAL
};
enum sc_meter_t
{
M_IN,
M_SC,
M_ENV,
M_GAIN,
M_CURVE,
M_OUT,
M_TOTAL
};
enum sync_t
{
S_CURVE = 1 << 0,
S_ALL = S_CURVE
};
typedef struct premix_t
{
float fInToSc; // Input -> Sidechain mix
float fInToLink; // Input -> Link mix
float fLinkToIn; // Link -> Input mix
float fLinkToSc; // Link -> Sidechain mix
float fScToIn; // Sidechain -> Input mix
float fScToLink; // Sidechain -> Link mix
float *vIn[2]; // Input buffer
float *vOut[2]; // Output buffer
float *vSc[2]; // Sidechain buffer
float *vLink[2]; // Link buffer
float *vTmpIn[2]; // Replacement buffer for input
float *vTmpLink[2]; // Replacement buffer for link
float *vTmpSc[2]; // Replacement buffer for sidechain
plug::IPort *pInToSc; // Input -> Sidechain mix
plug::IPort *pInToLink; // Input -> Link mix
plug::IPort *pLinkToIn; // Link -> Input mix
plug::IPort *pLinkToSc; // Link -> Sidechain mix
plug::IPort *pScToIn; // Sidechain -> Input mix
plug::IPort *pScToLink; // Sidechain -> Link mix
} premix_t;
typedef struct channel_t
{
dspu::Bypass sBypass; // Bypass
dspu::Sidechain sSC; // Sidechain module
dspu::Equalizer sSCEq; // Sidechain equalizer
dspu::Compressor sComp; // Compression module
dspu::Delay sLaDelay; // Lookahead delay
dspu::Delay sInDelay; // Input compensation delay
dspu::Delay sOutDelay; // Output compensation delay
dspu::Delay sDryDelay; // Dry delay
dspu::MeterGraph sGraph[G_TOTAL]; // Input meter graph
float *vIn; // Input data
float *vOut; // Output data
float *vSc; // Sidechain data
float *vEnv; // Envelope data
float *vGain; // Gain reduction data
bool bScListen; // Listen sidechain
uint32_t nSync; // Synchronization flags
uint32_t nScType; // Sidechain type
float fMakeup; // Makeup gain
float fFeedback; // Feedback
float fDryGain; // Dry gain
float fWetGain; // Wet gain
float fDotIn; // Dot input gain
float fDotOut; // Dot output gain
plug::IPort *pIn; // Input port
plug::IPort *pOut; // Output port
plug::IPort *pSC; // Sidechain port
plug::IPort *pShmIn; // Shared memory link input port
plug::IPort *pGraph[G_TOTAL]; // History graphs
plug::IPort *pMeter[M_TOTAL]; // Meters
plug::IPort *pScType; // Sidechain location
plug::IPort *pScMode; // Sidechain mode
plug::IPort *pScLookahead; // Sidechain lookahead
plug::IPort *pScListen; // Sidechain listen
plug::IPort *pScSource; // Sidechain source
plug::IPort *pScReactivity; // Sidechain reactivity
plug::IPort *pScPreamp; // Sidechain pre-amplification
plug::IPort *pScHpfMode; // Sidechain high-pass filter mode
plug::IPort *pScHpfFreq; // Sidechain high-pass filter frequency
plug::IPort *pScLpfMode; // Sidechain low-pass filter mode
plug::IPort *pScLpfFreq; // Sidechain low-pass filter frequency
plug::IPort *pMode; // Mode
plug::IPort *pAttackLvl; // Attack level
plug::IPort *pReleaseLvl; // Release level
plug::IPort *pAttackTime; // Attack time
plug::IPort *pReleaseTime; // Release time
plug::IPort *pHoldTime; // Hold time
plug::IPort *pRatio; // Ratio
plug::IPort *pKnee; // Knee
plug::IPort *pBThresh; // Boost threshold
plug::IPort *pBoost; // Boost signal amount
plug::IPort *pMakeup; // Makeup
plug::IPort *pDryGain; // Dry gain
plug::IPort *pWetGain; // Wet gain
plug::IPort *pDryWet; // Dry/Wet balance
plug::IPort *pCurve; // Curve graph
plug::IPort *pReleaseOut; // Output release level
} channel_t;
protected:
size_t nMode; // Compressor mode
bool bSidechain; // External side chain
channel_t *vChannels; // Compressor channels
float *vCurve; // Compressor curve
float *vTime; // Time points buffer
float *vEmptyBuffer; // Empty buffer
bool bPause; // Pause button
bool bClear; // Clear button
bool bMSListen; // Mid/Side listen
bool bStereoSplit; // Stereo split
float fInGain; // Input gain
bool bUISync;
core::IDBuffer *pIDisplay; // Inline display buffer
premix_t sPremix; // Pre-mix settings
plug::IPort *pBypass; // Bypass port
plug::IPort *pInGain; // Input gain
plug::IPort *pOutGain; // Output gain
plug::IPort *pPause; // Pause gain
plug::IPort *pClear; // Cleanup gain
plug::IPort *pMSListen; // Mid/Side listen
plug::IPort *pStereoSplit; // Stereo split mode
plug::IPort *pScSpSource; // Sidechain source for stereo split mode
uint8_t *pData; // Compressor data
protected:
float process_feedback(channel_t *c, size_t i, size_t channels);
void process_non_feedback(channel_t *c, float **in, size_t samples);
void do_destroy();
void update_premix();
void premix_channel(uint32_t channel, float * & in, float * & out, float * & sc, float * & link, size_t count);
uint32_t decode_sidechain_type(uint32_t sc) const;
inline float *select_buffer(const channel_t & c, float *in, float *sc, float *shm);
protected:
static dspu::compressor_mode_t decode_mode(int mode);
static dspu::sidechain_source_t decode_sidechain_source(int source, bool split, size_t channel);
static inline bool use_sidechain(const channel_t & c);
public:
explicit compressor(const meta::plugin_t *metadata, bool sc, size_t mode);
virtual ~compressor() override;
virtual void init(plug::IWrapper *wrapper, plug::IPort **ports) override;
virtual void destroy() override;
public:
virtual void update_settings() override;
virtual void update_sample_rate(long sr) override;
virtual void ui_activated() override;
virtual void process(size_t samples) override;
virtual bool inline_display(plug::ICanvas *cv, size_t width, size_t height) override;
virtual void dump(dspu::IStateDumper *v) const override;
};
} /* namespace plugins */
} /* namespace lsp */
#endif /* PRIVATE_PLUGINS_COMPRESSOR_H_ */
|
