Method updateReferenceLoudness

core/src/core/hrtf_database.cpp:231–248

void HRTFDatabase::updateReferenceLoudness(HRTFNormType normType)
{
    auto& hrirs = mHRTFMap->hrtfData();
    Array<complex_t, 2> hrtf(IHRTFMap::kNumEars, mFFTAudioProcessing.numComplexSamples);
    Array<float> zeroPadded(mFFTAudioProcessing.numRealSamples);
    zeroPadded.zero();

    auto index = mHRTFMap->nearestHRIR(ipl::Vector3f(.0f, .0f, -1.0f));
    vector<float*> hrirData;
    for (auto i = 0u; i < hrirs.size(0); ++i)
    {
        hrirData.push_back(hrirs[i][index]);
        memcpy(zeroPadded.data(), hrirs[i][index], numSamples() * sizeof(float));
        mFFTAudioProcessing.applyForward(zeroPadded.data(), hrtf[i]);
    }

    mReferenceLoudness = Loudness::calculateRMSLoudness(numSpectrumSamples(), mSamplingRate, (const ipl::complex_t**)hrtf.data());
}

void HRTFDatabase::applyVolumeSettings(float volume, HRTFNormType normType)
{