FastLED 3.9.15
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Public Member Functions | Public Attributes | Private Member Functions | Private Attributes | List of all members
fl::audio::detector::MoodAnalyzer Class Reference

Detailed Description

Definition at line 64 of file mood_analyzer.h.

#include <mood_analyzer.h>

+ Inheritance diagram for fl::audio::detector::MoodAnalyzer:
+ Collaboration diagram for fl::audio::detector::MoodAnalyzer:

Public Member Functions

 MoodAnalyzer () FL_NOEXCEPT
 
 ~MoodAnalyzer () FL_NOEXCEPT override
 
void fireCallbacks () override
 
float getArousal () const
 
const Mood & getCurrentMood () const
 
Mood::Category getMoodCategory () const
 
const char * getName () const override
 
float getValence () const
 
bool needsFFT () const override
 
bool needsFFTHistory () const override
 
void reset () override
 
void setAveragingFrames (int frames)
 
void setConfidenceThreshold (float threshold)
 
void setMinDuration (u32 ms)
 
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(const Mood &mood)> onMood
 
function_list< void(const Mood &mood)> onMoodChange
 
function_list< void(float valence, float arousal)> onValenceArousal
 

Private Member Functions

float calculateArousal (float rms, float zcr, float flux)
 
float calculateConfidence (float valence, float arousal)
 
float calculateSpectralCentroid (const fft::Bins &fft)
 
float calculateSpectralFlux (const fft::Bins &fft, const fft::Bins *prevFFT)
 
float calculateSpectralRolloff (const fft::Bins &fft, float threshold=0.85f)
 
float calculateValence (float centroid, float rolloff, float flux)
 
bool shouldChangeMood (const Mood &newMood)
 

Private Attributes

fl::vector< float > mArousalHistory
 
int mAveragingFrames
 
float mConfidenceThreshold
 
Mood mCurrentMood
 
int mHistoryIndex
 
u32 mMinDuration
 
bool mMoodChanged = false
 
Mood mPreviousMood
 
shared_ptr< const fft::Bins > mRetainedFFT
 
float mRMSEnergy
 
float mSpectralCentroid
 
float mSpectralFlux
 
float mSpectralRolloff
 
fl::vector< float > mValenceHistory
 
float mZeroCrossingRate
 
The documentation for this class was generated from the following files: