voice_unison_part_source.h

/*
 * Copyright © 2014-2023 Synthstrom Audible Limited
 *
 * This file is part of The Synthstrom Audible Deluge Firmware.
 *
 * The Synthstrom Audible Deluge Firmware 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 3 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, see <https://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include "definitions_cxx.hpp"
#include "model/sample/sample.h"
#include <gsl/gsl>
 
class TimeStretcher;
class VoiceSamplePlaybackGuide;
class Source;
class Voice;
class VoiceSample;
class LivePitchShifter;
class DxVoice;
 
class VoiceUnisonPartSource {
public:
    VoiceUnisonPartSource() = default;
    ~VoiceUnisonPartSource();
    bool noteOn(Voice* voice, Source* source, VoiceSamplePlaybackGuide* voiceSource, uint32_t samplesLate,
                uint32_t oscPhase, bool resetEverything, SynthMode synthMode, uint8_t velocity);
    void unassign(bool deletingSong);
    bool getPitchAndSpeedParams(Source* source, VoiceSamplePlaybackGuide* voiceSource, uint32_t* phaseIncrement,
                                uint32_t* timeStretchRatio, uint32_t* noteLengthInSamples);
    uint32_t getSpeedParamForNoSyncing(Source* source, int32_t phaseIncrement, int32_t pitchAdjustNeutralValue);
 
    uint32_t oscPos; // FKA phase. No longer used for Sample playback / rate conversion position. Only waves, including
                     // wavetable.
    uint32_t phaseIncrementStoredValue;
    int32_t carrierFeedback;
    bool active;
    VoiceSample* voiceSample = nullptr;
    LivePitchShifter* livePitchShifter = nullptr;
    gsl::owner<DxVoice*> dxVoice = nullptr;
};