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60 lines
1.7 KiB
60 lines
1.7 KiB
8 years ago
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/*
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* AudioSynthNoiseWhite_F32
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*
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* Created: Chip Audette (OpenAudio), Feb 2017
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* Extended from on Teensy Audio Library
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*
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* License: MIT License. Use at your own risk.
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*/
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#ifndef synth_whitenoise_f32_h_
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#define synth_whitenoise_f32_h_
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#include "Arduino.h"
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#include "AudioStream_F32.h"
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#include <Audio.h>
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#include "utility/dspinst.h"
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class AudioSynthNoiseWhite_F32 : public AudioStream_F32
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{
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//GUI: inputs:0, outputs:1 //this line used for automatic generation of GUI node
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//GUI: shortName:whitenoise //this line used for automatic generation of GUI node
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public:
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AudioSynthNoiseWhite_F32() : AudioStream_F32(0, NULL) {
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output_queue.begin();
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patchCord100 = new AudioConnection(noise, 0, i16_to_f32, 0); //noise is an Int16 audio object. So, convert it!
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patchCord101 = new AudioConnection_F32(i16_to_f32, 0, output_queue, 0);
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}
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//define audio processing stack right here.
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AudioSynthNoiseWhite noise;
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AudioConvert_I16toF32 i16_to_f32;
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AudioRecordQueue_F32 output_queue;
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AudioConnection *patchCord100;
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AudioConnection_F32 *patchCord101;
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void update(void) {
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output_queue.clear();
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//manually update audio blocks in the desired order
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noise.update(); //the output should be routed directly via the AudioConnection
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i16_to_f32.update(); // output is routed via the AudioConnection
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output_queue.update();
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//get the output
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audio_block_f32_t *block = output_queue.getAudioBlock();
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if (block == NULL) return;
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//transmit the block, and release memory
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AudioStream_F32::transmit(block);
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output_queue.freeAudioBlock();
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}
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void amplitude(float n) {
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noise.amplitude(n);
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}
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private:
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};
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#endif
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