Method updateLfoChain

Source/Panels/SpectrogramPanel/FilterControl.cpp:451–492

}

void FilterControl::updateLfoChain(const ModulatedFilterValues& modulatedValues)
{
    // Create a temporary ChainSettings struct and populate it with the
    // modulated values received from the audio thread.
    ChainSettings settings;
    settings.lowCutFreq = modulatedValues.lowCutFreq;
    settings.lowCutGainInDecibels = modulatedValues.lowCutGain;
    settings.lowCutQuality = modulatedValues.lowCutQ;
    settings.highCutFreq = modulatedValues.highCutFreq;
    settings.highCutGainInDecibels = modulatedValues.highCutGain;
    settings.highCutQuality = modulatedValues.highCutQ;
    settings.peakFreq = modulatedValues.peakFreq;
    settings.peakGainInDecibels = modulatedValues.peakGain;
    settings.peakQuality = modulatedValues.peakQ;

    // Get non-modulated settings directly from the processor's state tree.
    auto& apvts = processor.treeState;
    settings.lowCutSlope = static_cast<Slope>(apvts.getRawParameterValue(LOWCUT_SLOPE_ID)->load());
    settings.highCutSlope = static_cast<Slope>(apvts.getRawParameterValue(HIGHCUT_SLOPE_ID)->load());
    settings.lowCutBypassed = apvts.getRawParameterValue(LOWCUT_BYPASSED_ID)->load() > 0.5f;
    settings.peakBypassed = apvts.getRawParameterValue(PEAK_BYPASSED_ID)->load() > 0.5f;
    settings.highCutBypassed = apvts.getRawParameterValue(HIGHCUT_BYPASSED_ID)->load() > 0.5f;

    auto sampleRate = processor.getSampleRate();
    if (sampleRate <= 0)
        return;

    // The rest of this logic is identical to updateChain, but for lfoMonoChain.
    auto peakCoefficients = makePeakFilter(settings, sampleRate);
    updateCoefficients(lfoMonoChain.get<ChainPositions::Peak>().coefficients, peakCoefficients);

    auto lowCutCoefficients = makeLowCutFilter(settings, sampleRate);
    auto highCutCoefficients = makeHighCutFilter(settings, sampleRate);

    auto lowCutQCoefficients = makeLowcutQFilter(settings, sampleRate);
    updateCoefficients(lfoMonoChain.get<ChainPositions::LowCutQ>().coefficients, lowCutQCoefficients);
    auto highCutQCoefficients = makeHighcutQFilter(settings, sampleRate);
    updateCoefficients(lfoMonoChain.get<ChainPositions::HighCutQ>().coefficients, highCutQCoefficients);

    updateCutFilter(lfoMonoChain.get<ChainPositions::LowCut>(), lowCutCoefficients, settings.lowCutSlope);
    updateCutFilter(lfoMonoChain.get<ChainPositions::HighCut>(), highCutCoefficients, settings.highCutSlope);
}

void FilterControl::updateLfoResponseCurve()
{