Detailed Description

Definition at line 20 of file percussion.h.

#include <percussion.h>

Inheritance diagram for fl::audio::detector::Percussion:

Collaboration diagram for fl::audio::detector::Percussion:

Public Member Functions
	Percussion () FL_NO_EXCEPT

	Percussion () FL_NO_EXCEPT

	~Percussion () FL_NO_EXCEPT

	~Percussion () FL_NO_EXCEPT override

void	fireCallbacks () FL_NO_EXCEPT override

float	getBassToTotalRatio () const FL_NO_EXCEPT

float	getClickRatio () const FL_NO_EXCEPT

float	getHiHatConfidence () const FL_NO_EXCEPT

float	getKickConfidence () const FL_NO_EXCEPT

float	getMidToTrebleRatio () const FL_NO_EXCEPT

const char *	getName () const FL_NO_EXCEPT override

float	getOnsetSharpness () const FL_NO_EXCEPT

float	getSnareConfidence () const FL_NO_EXCEPT

float	getSubBassProxy () const FL_NO_EXCEPT

float	getTomConfidence () const FL_NO_EXCEPT

float	getTrebleFlatness () const FL_NO_EXCEPT

float	getTrebleToTotalRatio () const FL_NO_EXCEPT

float	getZeroCrossingFactor () const FL_NO_EXCEPT

bool	isHiHat () const FL_NO_EXCEPT

bool	isKick () const FL_NO_EXCEPT

bool	isSnare () const FL_NO_EXCEPT

bool	isTom () const FL_NO_EXCEPT

bool	needsFFT () const FL_NO_EXCEPT override

bool	needsFFTHistory () const FL_NO_EXCEPT override

void	reset ()

void	reset () FL_NO_EXCEPT override

void	setHiHatThreshold (float threshold)

void	setHiHatThreshold (float threshold) FL_NO_EXCEPT

void	setKickThreshold (float threshold)

void	setKickThreshold (float threshold) FL_NO_EXCEPT

void	setSnareThreshold (float threshold)

void	setSnareThreshold (float threshold) FL_NO_EXCEPT

void	setTomThreshold (float threshold) FL_NO_EXCEPT

void	update (shared_ptr< Context > context)

void	update (shared_ptr< Context > context) FL_NO_EXCEPT override

Public Member Functions inherited from fl::audio::Detector
virtual	~Detector () FL_NO_EXCEPT=default

virtual void	setSampleRate (int) FL_NO_EXCEPT

Public Attributes
function_list< void()>	onHiHat

function_list< void()>	onKick

function_list< void(PercussionType type)>	onPercussionHit

function_list< void(const char *type)>	onPercussionHit

function_list< void()>	onSnare

function_list< void()>	onTom

Private Member Functions
void	applyCrossBandRejection () FL_NO_EXCEPT

void	computeConfidences () FL_NO_EXCEPT

void	computeFeatures (const fft::Bins &fft) FL_NO_EXCEPT

bool	detectHiHat (float trebleEnergy, float trebleFlux, u32 timestamp)

bool	detectKick (float bassEnergy, float bassFlux, u32 timestamp)

bool	detectSnare (float midEnergy, float midFlux, u32 timestamp)

float	getBassEnergy (const fft::Bins &fft)

float	getMidEnergy (const fft::Bins &fft)

float	getTrebleEnergy (const fft::Bins &fft)

Private Attributes
float	mBassToTotal

float	mClickRatio

float	mHiHatConfidence

bool	mHiHatDetected

float	mHiHatThreshold

float	mKickConfidence

bool	mKickDetected

float	mKickThreshold

u32	mLastHiHatTime

u32	mLastKickTime

u32	mLastSnareTime

u32	mLastTomTime

float	mMidToTreble

float	mOnsetSharpness

float	mPrevBassEnergy

float	mPrevMidEnergy

float	mPrevTrebleEnergy

shared_ptr< const fft::Bins >	mRetainedFFT

float	mSnareConfidence

bool	mSnareDetected

float	mSnareThreshold

float	mSubBassProxy

float	mTomConfidence

bool	mTomDetected

float	mTomThreshold

AttackDecayFilter< float >	mTotalEnvelope {0.15f, 0.005f}

float	mTrebleFlatness

float	mTrebleToTotal

float	mZeroCrossingFactor

Static Private Attributes
static constexpr u32	HIHAT_COOLDOWN_MS = 50

static constexpr u32	KICK_COOLDOWN_MS = 100

static constexpr u32	SNARE_COOLDOWN_MS = 80

static constexpr u32	TOM_COOLDOWN_MS = 100

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

fl/audio/detector/percussion.h
fl/audio/detector/percussion_detector.h
fl/audio/detector/percussion.cpp.hpp

Detailed Description

Public Member Functions

Public Attributes

Private Member Functions

Private Attributes

Static Private Attributes