Method db

src/fl/audio/fft/fft.cpp.hpp:65–79

fl::span<const float> Bins::raw() const { return mBinsRaw; }

fl::span<const float> Bins::db() const {
    if (!mDbDirty) {
        return mBinsDb;
    }
    if (mBinsDb.capacity() == 0) {
        mBinsDb = pool().acquire(mBands);
    }
    mBinsDb.resize(mBinsRaw.size());
    for (fl::size i = 0; i < mBinsRaw.size(); ++i) {
        float x = mBinsRaw[i];
        mBinsDb[i] = (x > 0.0f) ? 20.0f * fl::log10f(x) : 0.0f;
    }
    mDbDirty = false;
    return mBinsDb;
}

fl::span<const float> Bins::rawNormalized() const {
    if (!mNormalizedDirty) {