Method detectOnset

src/fl/audio/audio_reactive.cpp.hpp:799–813

}

bool SpectralFluxDetector::detectOnset(span<const float, 16> currentBins) {
    float flux = calculateSpectralFlux(currentBins, span<const float, 16>(mPreviousMagnitudes.data(), 16));
    
#if SKETCH_HAS_LARGE_MEMORY
    // Store flux in history for adaptive threshold calculation
    mFluxHistory[mHistoryIndex] = flux;
    mHistoryIndex = (mHistoryIndex + 1) % mFluxHistory.size();
    
    float adaptiveThreshold = calculateAdaptiveThreshold();
    return flux > adaptiveThreshold;
#else
    // Simple fixed threshold for memory-constrained platforms
    return flux > mFluxThreshold;
#endif
}

float SpectralFluxDetector::calculateSpectralFlux(span<const float, 16> currentBins, span<const float, 16> previousBins) {
    float flux = 0.0f;