67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
/*
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* jayDSP, A cross-platform Digital Signal Processing library written in modern C++.
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* Copyright (C) 2025 Jens Ahrensfeld, All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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* File: delay.hpp
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* Author Jens Ahrensfeld on 26.10.2025.
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*/
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#ifndef DSP_DELAY_H
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#define DSP_DELAY_H
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#include <delay/buffer.hpp>
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template<typename T>
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class Delay : public dsp::Buffer<T>
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{
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int m_delay;
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public:
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Delay(uint delayCapacity)
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: dsp::Buffer<T>(delayCapacity)
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, m_delay(0)
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{
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}
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void setRandom(uint min, uint max)
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{
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float span = (float)max - (float)min;
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float z = (float)rand()/(float)RAND_MAX;
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int delay = (int)(min + z*span);
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m_delay = -delay;
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}
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void setDelay(uint delay)
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{
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m_delay = -((int)delay);
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}
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T process(T in)
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{
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(*this)[0] = in;
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T out = (*this)[m_delay];
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++(*this);
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return out;
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}
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};
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#endif // DSP_DELAY_H
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