forest-all-around/sampler/lib/Audio_SdFat/analyze_rms.h
Dooho Yi 91f92c0e6c audio & sd lib upgrade (SdFatSdioEX)
migration from 'smp_v1p0' dev.
for 'sampler' -> skip irrelavant note msg. and keep playing
2019-12-11 23:37:44 +09:00

54 lines
1.8 KiB
C++

/* Audio Library for Teensy 3.X
* Copyright (c) 2014, Paul Stoffregen, paul@pjrc.com
*
* Development of this audio library was funded by PJRC.COM, LLC by sales of
* Teensy and Audio Adaptor boards. Please support PJRC's efforts to develop
* open source software by purchasing Teensy or other PJRC products.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice, development funding notice, and this permission
* notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef analyze_rms_h_
#define analyze_rms_h_
#include "Arduino.h"
#include "AudioStream.h"
class AudioAnalyzeRMS : public AudioStream
{
private:
audio_block_t *inputQueueArray[1];
int64_t accum;
uint32_t count;
public:
AudioAnalyzeRMS(void) : AudioStream(1, inputQueueArray) {
accum = 0;
count = 0;
}
bool available(void) {
return count > 0;
}
float read(void);
virtual void update(void);
};
#endif