Voice.h

/*
 * This file is part of libsidplayfp, a SID player engine.
 *
 * Copyright 2011-2025 Leandro Nini <drfiemost@users.sourceforge.net>
 * Copyright 2007-2010 Antti Lankila
 * Copyright 2004 Dag Lem <resid@nimrod.no>
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
 
#ifndef VOICE_H
#define VOICE_H
 
#include "siddefs-fp.h"
#include "WaveformGenerator.h"
#include "EnvelopeGenerator.h"
 
#include <cstdint>
 
namespace reSIDfp
{
 
class Voice
{
private:
    WaveformGenerator waveformGenerator;
 
    EnvelopeGenerator envelopeGenerator;
 
    float* wavDAC; //-V730_NOINIT this is initialized in the SID constructor
 
    float* envDAC; //-V730_NOINIT this is initialized in the SID constructor
 
public:
    RESIDFP_INLINE
    float output()
    {
        uint32_t wav = waveformGenerator.output();
        int env = envelopeGenerator.output();
 
        // DAC imperfections are emulated by using the digital output
        // as an index into a DAC lookup table.
        return wavDAC[wav] * envDAC[env];
    }
 
    void setWavDAC(float* dac) { wavDAC = dac; }
 
    void setEnvDAC(float* dac) { envDAC = dac; }
 
    void setOtherVoices(Voice& prev, Voice& next)
    {
        waveformGenerator.setOtherWaveforms(prev.wave(), next.wave());
    }
 
    WaveformGenerator* wave() { return &waveformGenerator; }
 
    EnvelopeGenerator* envelope() { return &envelopeGenerator; }
 
    const WaveformGenerator* wave() const { return &waveformGenerator; }
 
    const EnvelopeGenerator* envelope() const { return &envelopeGenerator; }
 
    void writeCONTROL_REG(uint8_t control)
    {
        waveformGenerator.writeCONTROL_REG(control);
        envelopeGenerator.writeCONTROL_REG(control);
    }
 
    void reset()
    {
        waveformGenerator.reset();
        envelopeGenerator.reset();
    }
};
 
} // namespace reSIDfp
 
#endif