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OpenAudio_ArduinoLibrary/synth_pinknoise_f32.h

60 lines
1.7 KiB

/*
* AudioSynthNoiseWhite_F32
*
* Created: Chip Audette (OpenAudio), Feb 2017
* Extended from on Teensy Audio Library
*
* License: MIT License. Use at your own risk.
*/
#ifndef synth_pinknoise_f32_h_
#define synth_pinknoise_f32_h_
#include "Arduino.h"
#include "AudioStream_F32.h"
#include <Audio.h>
#include "utility/dspinst.h"
class AudioSynthNoisePink_F32 : public AudioStream_F32
{
//GUI: inputs:0, outputs:1 //this line used for automatic generation of GUI node
//GUI: shortName:pinknoise //this line used for automatic generation of GUI node
public:
AudioSynthNoisePink_F32() : AudioStream_F32(0, NULL) {
output_queue.begin();
patchCord100 = new AudioConnection(noise, 0, i16_to_f32, 0); //noise is an Int16 audio object. So, convert it!
patchCord101 = new AudioConnection_F32(i16_to_f32, 0, output_queue, 0);
}
//define audio processing stack right here.
AudioSynthNoisePink noise;
AudioConvert_I16toF32 i16_to_f32;
AudioRecordQueue_F32 output_queue;
AudioConnection *patchCord100;
AudioConnection_F32 *patchCord101;
void update(void) {
output_queue.clear();
//manually update audio blocks in the desired order
noise.update(); //the output should be routed directly via the AudioConnection
i16_to_f32.update(); // output is routed via the AudioConnection
output_queue.update();
//get the output
audio_block_f32_t *block = output_queue.getAudioBlock();
if (block == NULL) return;
//transmit the block, and release memory
AudioStream_F32::transmit(block);
output_queue.freeAudioBlock();
}
void amplitude(float n) {
noise.amplitude(n);
}
private:
};
#endif