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pitch_shifter_smb.h
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pitch_shifter_smb.h
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/*
* Copyright (C) 2022-2023 Liu An Lin <[email protected]>
*
* 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 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 <http:https://www.gnu.org/licenses/>.
*/
#ifndef __PITCH_SHIFTER_SMB_H__
#define __PITCH_SHIFTER_SMB_H__
#include <cstdint>
#include "pitch_shifter.h"
class pitch_shifter_smb: public pitch_shifter
{
public:
explicit pitch_shifter_smb(std::uint32_t sample_rate);
~pitch_shifter_smb();
public:
virtual void update_shifter_variables(float inpitch, float outpitch) override;
virtual void set_aref(float aref) override { _aref = aref; }
virtual void set_mix(float mix) override {}
virtual float get_latency() override { return sizeof(_in); }
virtual float shifter(float in) override;
private:
float _aref;
float _sample_rate;
long _osamp;
long _fft_frame_size;
float _pitch_shift;
float _in[512];
float _out[512];
std::uint32_t _in_idx;
std::uint32_t _out_idx;
};
#endif