105 lines
2.6 KiB
C++
105 lines
2.6 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_MULTIDELAY_H
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#define DSP_MULTIDELAY_H
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#include <iostream>
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#include <delay/buffer_multi.hpp>
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template<typename T, size_t numCh>
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class MultiDelay
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{
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dsp::BufferMulti<T, numCh> m_buf;
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int m_delay_spec[numCh];
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uint m_delaySize;
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void print_delays()
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{
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std::cout << "delays" << std::endl;
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for (int i=0; i < numCh; i++)
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{
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std::cout << m_delay_spec[i] << " ";
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}
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std::cout << std::endl;
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}
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public:
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MultiDelay(uint delayCapacity, int delayOffset)
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: m_buf(delayCapacity)
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{
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setDelay(delayCapacity, delayOffset);
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}
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void setDelay(uint delaySize, int delayOffset)
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{
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float delayRagePerWindow = (float)(delaySize-delayOffset)/(float)numCh;
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if (delayRagePerWindow < 0)
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{
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return;
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}
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// Delay spec
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for (int i=0; i < numCh; i++)
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{
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float base_delay = i*delayRagePerWindow + delayOffset;
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float z = (float)rand()/(float)RAND_MAX;
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int delay = (int)(base_delay + z*delayRagePerWindow);
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m_delay_spec[i] = -delay;
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}
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m_delaySize = delaySize;
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print_delays();
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}
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uint getDelay()
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{
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return m_delaySize;
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}
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void process(T in, T out[numCh])
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{
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m_buf = in;
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m_buf.quer(out, m_delay_spec);
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++m_buf;
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}
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void process(T data[numCh])
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{
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m_buf = data;
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m_buf.quer(data, m_delay_spec);
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++m_buf;
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}
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void process(T in[numCh], T out[numCh])
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{
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m_buf = in;
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m_buf.quer(out, m_delay_spec);
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++m_buf;
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}
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};
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#endif // DSP_MULTIDELAY_H
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