Generates a Sound with the help of sin() function. If you plan to change the amplitude or frequency (incrementally), I suggest to use SineFromTable instead. More...

#include <SoundGenerator.h>

Inheritance diagram for SineWaveGenerator< T >:

Public Member Functions
	SineWaveGenerator (float amplitude=0.9f *NumberConverter::maxValueT< T >(), float phase=0.0f)

virtual AudioInfo	audioInfo ()
	Provides the AudioInfo.

bool	begin () override

bool	begin (AudioInfo info) override

bool	begin (AudioInfo info, float frequency)

bool	begin (int channels, int sample_rate, float frequency)

virtual AudioInfo	defaultConfig () override
	Provides the default configuration.

virtual void	end ()
	ends the processing

virtual bool	isActive ()

virtual size_t	readBytes (uint8_t *data, size_t len)
	Provides the data as byte array with the requested number of channels.

virtual T	readSample () override
	Provides a single sample.

void	setAmplitude (float amp)

virtual void	setAudioInfo (AudioInfo info) override
	Defines/updates the AudioInfo.

void	setFrequency (float frequency) override
	Defines the frequency - after the processing has been started.

Protected Member Functions
void	logStatus ()

size_t	readBytesFrames (uint8_t *buffer, size_t lengthBytes, int frames, int channels)

size_t	readBytesFromBuffer (uint8_t *buffer, size_t lengthBytes, int frame_size, int channels)

Protected Attributes
bool	active = false

bool	activeWarningIssued = false

const float	double_Pi = 2.0f * PI

AudioInfo	info

float	m_amplitude = 1.0f

float	m_cycles = 0.0f

float	m_deltaTime = 0.0f

volatile float	m_frequency = 0.0f

float	m_phase = 0.0f

RingBuffer< uint8_t >	ring_buffer {0}

Detailed Description

template<class T>
class audio_tools::SineWaveGenerator< T >

Generates a Sound with the help of sin() function. If you plan to change the amplitude or frequency (incrementally), I suggest to use SineFromTable instead.

Author: Phil Schatzmann

Copyright: GPLv3

Member Function Documentation

◆ isActive()

virtual bool isActive ( )

inlinevirtualinherited

Checks if the begin method has been called - after end() isActive returns false

The documentation for this class was generated from the following file:

src/AudioTools/CoreAudio/AudioEffects/SoundGenerator.h

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

template<class T> class audio_tools::SineWaveGenerator< T >

Member Function Documentation

◆ isActive()

template<class T>
class audio_tools::SineWaveGenerator< T >