Method splitBands

Source/PluginProcessor.cpp:1704–1885

}

void FireAudioProcessor::splitBands(const juce::AudioBuffer<float>& inputBuffer, double sampleRate)
{
    // This function encapsulates the entire multiband crossover logic.
    // The code is moved directly from your original processBlock.

    const int totalNumOutputChannels = getTotalNumOutputChannels();
    const int numSamples = inputBuffer.getNumSamples();

    if (sampleRate <= 0)
        return;
    const int lineNum = activeCrossovers; // Use the member variable updated in updateParameters()

    // Get the latest smoothed frequency values for the crossovers
    float freqValue1 = smoothedFreq1.getNextValue();
    float freqValue2 = smoothedFreq2.getNextValue();
    float freqValue3 = smoothedFreq3.getNextValue();

    const float minFreq = 20.0f;
    float maxFreq = sampleRate / 2.0f;

    if (maxFreq < minFreq)
    {
        maxFreq = minFreq;
    }

    freqValue1 = juce::jlimit(minFreq, maxFreq, freqValue1);
    freqValue2 = juce::jlimit(minFreq, maxFreq, freqValue2);
    freqValue3 = juce::jlimit(minFreq, maxFreq, freqValue3);

    // Set up crossover filters with these frequencies
    lowpass1.setCutoffFrequency(freqValue1);
    highpass1.setCutoffFrequency(freqValue1);
    lowpass2.setCutoffFrequency(freqValue2);
    highpass2.setCutoffFrequency(freqValue2);
    lowpass3.setCutoffFrequency(freqValue3);
    highpass3.setCutoffFrequency(freqValue3);

    // Set up the all-pass coefficients for 3-band compensation
    if (lineNum == 2)
    {
        compensatorLP.setCutoffFrequency(freqValue1);
        compensatorHP.setCutoffFrequency(freqValue1);
    }

    // --- TREE-BASED SIGNAL SPLITTING ---
    if (lineNum == 0)
    { // 1 Band: No splitting, the signal just passes through
        mBuffer1.makeCopyOf(inputBuffer);
    }
    else if (lineNum == 1)
    { // 2 Bands: One split
        mBuffer1.makeCopyOf(inputBuffer);
        mBuffer2.makeCopyOf(inputBuffer);

        auto block1 = juce::dsp::AudioBlock<float>(mBuffer1);
        auto context1 = juce::dsp::ProcessContextReplacing<float>(block1);
        lowpass1.process(context1);