detectBeats()

void fl::BeatDetectors::detectBeats	(	const float *	frequencyBins,
		AudioData &	audioData )

Definition at line 675 of file audio_reactive.cpp.

                                                                                {
    // Calculate current band energies
    mBassEnergy = (frequencyBins[0] + frequencyBins[1]) / 2.0f;
    mMidEnergy = (frequencyBins[6] + frequencyBins[7]) / 2.0f;
    mTrebleEnergy = (frequencyBins[14] + frequencyBins[15]) / 2.0f;
    
#if SKETCH_HAS_LOTS_OF_MEMORY
    // Use separate detectors for each band
    audioData.bassBeatDetected = bass.detectOnset(&mBassEnergy, &mPreviousBassEnergy);
    audioData.midBeatDetected = mid.detectOnset(&mMidEnergy, &mPreviousMidEnergy);
    audioData.trebleBeatDetected = treble.detectOnset(&mTrebleEnergy, &mPreviousTrebleEnergy);
#else
    // Use simple threshold detection for memory-constrained platforms
    audioData.bassBeatDetected = (mBassEnergy > mPreviousBassEnergy * 1.3f) && (mBassEnergy > 0.1f);
    audioData.midBeatDetected = (mMidEnergy > mPreviousMidEnergy * 1.25f) && (mMidEnergy > 0.08f);
    audioData.trebleBeatDetected = (mTrebleEnergy > mPreviousTrebleEnergy * 1.2f) && (mTrebleEnergy > 0.05f);
#endif
    
    // Update previous energies
    mPreviousBassEnergy = mBassEnergy;
    mPreviousMidEnergy = mMidEnergy;
    mPreviousTrebleEnergy = mTrebleEnergy;
}

References fl::AudioData::bassBeatDetected, mBassEnergy, fl::AudioData::midBeatDetected, mMidEnergy, mPreviousBassEnergy, mPreviousMidEnergy, mPreviousTrebleEnergy, mTrebleEnergy, and fl::AudioData::trebleBeatDetected.