60 lines
2 KiB
C++
Executable file
60 lines
2 KiB
C++
Executable file
/* Audio Library for Teensy 3.X
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* Copyright (c) 2014, Pete (El Supremo)
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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
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* all 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
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* THE SOFTWARE.
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*/
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#ifndef effect_flange_h_
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#define effect_flange_h_
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#include "Arduino.h"
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#include "AudioStream.h"
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/******************************************************************/
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// A u d i o E f f e c t F l a n g e
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// Written by Pete (El Supremo) Jan 2014
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// 140529 - change to handle mono stream and change modify() to voices()
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#define FLANGE_DELAY_PASSTHRU 0
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class AudioEffectFlange :
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public AudioStream
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{
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public:
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AudioEffectFlange(void):
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AudioStream(1,inputQueueArray) {
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}
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boolean begin(short *delayline,int d_length,int delay_offset,int d_depth,float delay_rate);
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boolean voices(int delay_offset,int d_depth,float delay_rate);
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virtual void update(void);
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private:
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audio_block_t *inputQueueArray[1];
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short *l_delayline;
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int delay_length;
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short l_circ_idx;
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int delay_depth;
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int delay_offset_idx;
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int delay_rate_incr;
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unsigned int l_delay_rate_index;
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};
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#endif
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