Add math add, multiply, offset and scale

pull/5/merge
boblark 2 years ago
parent 164986fc4a
commit 4983644314
  1. 20
      AudioMathAdd_F32.cpp
  2. 31
      AudioMathAdd_F32.h
  3. 20
      AudioMathMultiply_F32.cpp
  4. 31
      AudioMathMultiply_F32.h
  5. 14
      AudioMathOffset_F32.cpp
  6. 33
      AudioMathOffset_F32.h
  7. 14
      AudioMathScale_F32.cpp
  8. 33
      AudioMathScale_F32.h

@ -0,0 +1,20 @@
#include "AudioMathAdd_F32.h"
void AudioMathAdd_F32::update(void) {
audio_block_f32_t *block, *in;
block = AudioStream_F32::receiveWritable_f32(0);
if (!block) return;
in = AudioStream_F32::receiveReadOnly_f32(1);
if (!in) {
AudioStream_F32::release(block);
return;
}
arm_add_f32(block->data, in->data, block->data, block->length);
AudioStream_F32::release(in);
AudioStream_F32::transmit(block);
AudioStream_F32::release(block);
}

@ -0,0 +1,31 @@
/*
* AudioMathAdd_F32
*
* Created: Chip Audette, Open Audio, July 2018
* Purpose: Add together two channels (vectors) of audio data on a point-by-point basis
* (like AudioMathMutiply, but addition). Assumes floating-point data.
*
* This processes a single stream fo audio data (ie, it is mono)
*
* MIT License. use at your own risk.
*/
#ifndef _AudioMathAdd_F32_H
#define _AudioMathAdd_F32_H
#include <arm_math.h>
#include "AudioStream_F32.h"
class AudioMathAdd_F32 : public AudioStream_F32
{
//GUI: inputs:2, outputs:1 //this line used for automatic generation of GUI node
public:
AudioMathAdd_F32(void) : AudioStream_F32(2, inputQueueArray_f32) {};
AudioMathAdd_F32(const AudioSettings_F32 &settings) : AudioStream_F32(2, inputQueueArray_f32) {};
void update(void);
private:
audio_block_f32_t *inputQueueArray_f32[2];
};
#endif

@ -0,0 +1,20 @@
#include "AudioMathMultiply_F32.h"
void AudioMathMultiply_F32::update(void) {
audio_block_f32_t *block, *in;
block = AudioStream_F32::receiveWritable_f32(0);
if (!block) return;
in = AudioStream_F32::receiveReadOnly_f32(1);
if (!in) {
AudioStream_F32::release(block);
return;
}
arm_mult_f32(block->data, in->data, block->data, block->length);
AudioStream_F32::release(in);
AudioStream_F32::transmit(block);
AudioStream_F32::release(block);
}

@ -0,0 +1,31 @@
/*
* AudioMathMultiply
*
* Created: Patrick Radius, December 2016
* Purpose: Multiply two channels of audio data. Can be used for example as 'vca' or amplitude modulation.
* Assumes floating-point data.
*
* This processes a single stream fo audio data (ie, it is mono)
*
* MIT License. use at your own risk.
*/
#ifndef AUDIOMATHMULTIPLYF32_H
#define AUDIOMATHMULTIPLYF32_H
#include <arm_math.h>
#include "AudioStream_F32.h"
class AudioMathMultiply_F32 : public AudioStream_F32
{
//GUI: inputs:2, outputs:1 //this line used for automatic generation of GUI node
public:
AudioMathMultiply_F32(void) : AudioStream_F32(2, inputQueueArray_f32) {};
AudioMathMultiply_F32(const AudioSettings_F32 &settings) : AudioStream_F32(2, inputQueueArray_f32) {};
void update(void);
private:
audio_block_f32_t *inputQueueArray_f32[2];
};
#endif

@ -0,0 +1,14 @@
#include "AudioMathOffset_F32.h"
void AudioMathOffset_F32::update(void) {
audio_block_f32_t *block;
block = AudioStream_F32::receiveWritable_f32(0);
if (!block) return;
//use the ARM-optimized routine to add the offset
arm_offset_f32(block->data, offset, block->data, block->length);
AudioStream_F32::transmit(block);
AudioStream_F32::release(block);
}

@ -0,0 +1,33 @@
/*
* AudioMathOffset_F32
*
* Created: Chip Audette, Open Audio, June 2018
* Purpose: Add a constant DC value to all audio samples
* Assumes floating-point data.
*
* This processes a single stream fo audio data (ie, it is mono)
*
* MIT License. use at your own risk.
*/
#ifndef AudioMathOffset_F32_H
#define AudioMathOffset_F32_H
#include <arm_math.h>
#include "AudioStream_F32.h"
class AudioMathOffset_F32 : public AudioStream_F32
{
//GUI: inputs:1, outputs:1 //this line used for automatic generation of GUI node
public:
AudioMathOffset_F32(void) : AudioStream_F32(1, inputQueueArray_f32) {};
AudioMathOffset_F32(const AudioSettings_F32 &settings) : AudioStream_F32(1, inputQueueArray_f32) {};
void update(void);
float setOffset(float _offset) { return offset = _offset;}
float getOffset(void) { return offset; }
private:
audio_block_f32_t *inputQueueArray_f32[1];
float32_t offset = 0.0f;
};
#endif

@ -0,0 +1,14 @@
#include "AudioMathScale_F32.h"
void AudioMathScale_F32::update(void) {
audio_block_f32_t *block;
block = AudioStream_F32::receiveWritable_f32(0);
if (!block) return;
//use the ARM-optimized routine to add the offset
arm_scale_f32(block->data, scale, block->data, block->length);
AudioStream_F32::transmit(block);
AudioStream_F32::release(block);
}

@ -0,0 +1,33 @@
/*
* AudioMathScale_F32
*
* Created: Chip Audette, Open Audio, June 2018
* Purpose: Multiply all audio samples by a single value (not vector)
* Assumes floating-point data.
*
* This processes a single stream fo audio data (ie, it is mono)
*
* MIT License. use at your own risk.
*/
#ifndef AudioMathScale_F32_H
#define AudioMathScale_F32_H
#include <arm_math.h>
#include "AudioStream_F32.h"
class AudioMathScale_F32 : public AudioStream_F32
{
//GUI: inputs:1, outputs:1 //this line used for automatic generation of GUI node
public:
AudioMathScale_F32(void) : AudioStream_F32(1, inputQueueArray_f32) {};
AudioMathScale_F32(const AudioSettings_F32 &settings) : AudioStream_F32(1, inputQueueArray_f32) {};
void update(void);
float setScale(float _scale) { return scale = _scale;}
float getScale(void) { return scale; }
private:
audio_block_f32_t *inputQueueArray_f32[1];
float32_t scale = 0.0f;
};
#endif
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