Dooho Yi
91f92c0e6c
migration from 'smp_v1p0' dev. for 'sampler' -> skip irrelavant note msg. and keep playing
81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
/*
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* Copyright (c) 2018 John-Michael Reed
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* bleeplabs.com
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, 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,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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// Combine analog signals with bitwise expressions like XOR.
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// Combining two simple oscillators results in interesting new waveforms,
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// Combining white noise or dynamic incoming audio results in aggressive digital distortion.
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#include <Arduino.h>
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#include "effect_combine.h"
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void AudioEffectDigitalCombine::update(void)
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{
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audio_block_t *blocka, *blockb;
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uint32_t *pa, *pb, *end;
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uint32_t a12, a34; //, a56, a78;
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uint32_t b12, b34; //, b56, b78;
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blocka = receiveWritable(0);
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blockb = receiveReadOnly(1);
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if (!blocka) {
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if (blockb) release(blockb);
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return;
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}
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if (!blockb) {
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release(blocka);
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return;
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}
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pa = (uint32_t *)(blocka->data);
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pb = (uint32_t *)(blockb->data);
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end = pa + AUDIO_BLOCK_SAMPLES / 2;
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while (pa < end) {
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a12 = *pa;
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a34 = *(pa + 1);
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b12 = *pb++;
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b34 = *pb++;
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if (mode_sel == OR) {
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a12 = a12 | b12;
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a34 = a34 | b34;
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}
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if (mode_sel == XOR) {
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a12 = a12 ^ b12;
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a34 = a34 ^ b34;
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}
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if (mode_sel == AND) {
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a12 = a12 & b12;
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a34 = a34 & b34;
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}
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if (mode_sel == MODULO) {
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a12 = a12 % b12;
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a34 = a34 % b34;
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}
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*pa++ = a12;
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*pa++ = a34;
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}
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transmit(blocka);
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release(blocka);
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release(blockb);
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}
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