libsidplayfp 2.9.0
Voice.h
1/*
2 * This file is part of libsidplayfp, a SID player engine.
3 *
4 * Copyright 2011-2022 Leandro Nini <drfiemost@users.sourceforge.net>
5 * Copyright 2007-2010 Antti Lankila
6 * Copyright 2004 Dag Lem <resid@nimrod.no>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 */
22
23#ifndef VOICE_H
24#define VOICE_H
25
26#include <memory>
27
28#include "siddefs-fp.h"
29#include "WaveformGenerator.h"
30#include "EnvelopeGenerator.h"
31
32#include "sidcxx11.h"
33
34namespace reSIDfp
35{
36
40class Voice
41{
42private:
43 std::unique_ptr<WaveformGenerator> const waveformGenerator;
44
45 std::unique_ptr<EnvelopeGenerator> const envelopeGenerator;
46
48 float* wavDAC; //-V730_NOINIT this is initialized in the SID constructor
49
51 float* envDAC; //-V730_NOINIT this is initialized in the SID constructor
52
53public:
69 RESID_INLINE
70 float output(const WaveformGenerator* ringModulator) const
71 {
72 unsigned int const wav = waveformGenerator->output(ringModulator);
73 unsigned int const env = envelopeGenerator->output();
74
75 // DAC imperfections are emulated by using the digital output
76 // as an index into a DAC lookup table.
77 return wavDAC[wav] * envDAC[env];
78 }
79
84 waveformGenerator(new WaveformGenerator()),
85 envelopeGenerator(new EnvelopeGenerator()) {}
86
93 void setWavDAC(float* dac) { wavDAC = dac; }
94
101 void setEnvDAC(float* dac) { envDAC = dac; }
102
103 WaveformGenerator* wave() const { return waveformGenerator.get(); }
104
105 EnvelopeGenerator* envelope() const { return envelopeGenerator.get(); }
106
112 void writeCONTROL_REG(unsigned char control)
113 {
114 waveformGenerator->writeCONTROL_REG(control);
115 envelopeGenerator->writeCONTROL_REG(control);
116 }
117
121 void reset()
122 {
123 waveformGenerator->reset();
124 envelopeGenerator->reset();
125 }
126};
127
128} // namespace reSIDfp
129
130#endif
Definition EnvelopeGenerator.h:44
Definition Voice.h:41
Voice()
Definition Voice.h:83
void writeCONTROL_REG(unsigned char control)
Definition Voice.h:112
RESID_INLINE float output(const WaveformGenerator *ringModulator) const
Definition Voice.h:70
void reset()
Definition Voice.h:121
void setEnvDAC(float *dac)
Definition Voice.h:101
void setWavDAC(float *dac)
Definition Voice.h:93
Definition WaveformGenerator.h:94