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53 lines
1.7 KiB
53 lines
1.7 KiB
/*
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Copyright (c) 2019, Holger Wirtz
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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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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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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 mono2stereo_h_
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#define mono2stereo_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 M o n o 2 S t e r e o
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// Written by Holger Wirtz
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// 20191122 - inital version
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class Mono2Stereo : public AudioStream
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{
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public:
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Mono2Stereo(void):
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AudioStream(1, inputQueueArray)
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{
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_pan = 0.5;
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}
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virtual void update(void);
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virtual void pan(float pan);
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private:
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audio_block_t *inputQueueArray[4];
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audio_block_t *out[2];
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const float _pseudo_log = 1048575 / (float)(1 << 20);
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float _pan;
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};
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#endif
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