fl::audio::detector::Beat Class Reference

Detailed Description

Definition at line 13 of file beat.h.

#include <beat.h>

Inheritance diagram for fl::audio::detector::Beat:

Collaboration diagram for fl::audio::detector::Beat:

Public Member Functions
	Beat () FL_NOEXCEPT
	~Beat () FL_NOEXCEPT override
void	fireCallbacks () override
float	getBPM () const
float	getConfidence () const
const char *	getName () const override
float	getPhase () const
bool	isBeat () const
bool	needsFFT () const override
bool	needsFFTHistory () const override
void	reset () override
void	setSensitivity (float sensitivity)
void	setThreshold (float threshold)
void	update (shared_ptr< Context > context) override
Public Member Functions inherited from fl::audio::Detector
virtual	~Detector () FL_NOEXCEPT=default
virtual void	setSampleRate (int) FL_NOEXCEPT

Public Attributes
function_list< void()>	onBeat
function_list< void(float phase)>	onBeatPhase
function_list< void(float strength)>	onOnset
function_list< void(float bpm, float confidence)>	onTempoChange

Private Member Functions
float	calculateSpectralFlux (const fft::Bins &fft)
bool	detectBeat (u32 timestamp)
void	updateAdaptiveThreshold ()
void	updatePhase (u32 timestamp)
void	updateTempo (u32 timestamp)

Private Attributes
float	mAdaptiveThreshold
bool	mBeatDetected
u32	mBeatInterval
float	mBPM
float	mConfidence
MovingAverage< float, 43 >	mFluxAvg
u32	mLastBeatTime
float	mPhase
vector< float >	mPreviousMagnitudes
shared_ptr< const fft::Bins >	mRetainedFFT
float	mSensitivity
float	mSpectralFlux
bool	mTempoChanged = false
float	mThreshold

Static Private Attributes
static constexpr size	FLUX_HISTORY_SIZE = 43
static constexpr u32	MAX_BEAT_INTERVAL_MS = 2000
static constexpr u32	MIN_BEAT_INTERVAL_MS = 250

---

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

• fl/audio/detector/beat.h
• fl/audio/detector/beat.cpp.hpp