NeuralSynth/Source/AudioBufferQueue.h

#pragma once

//==============================================================================
template <typename SampleType>
class AudioBufferQueue
{
public:
    //==============================================================================
    static constexpr size_t order = 9;
    static constexpr size_t bufferSize = 1U << order;
    static constexpr size_t numBuffers = 5;

    //==============================================================================
    void push(const SampleType* dataToPush, size_t numSamples)
    {
        jassert(numSamples <= bufferSize);

        int start1, size1, start2, size2;
        abstractFifo.prepareToWrite(1, start1, size1, start2, size2);

        jassert(size1 <= 1);
        jassert(size2 == 0);

        if (size1 > 0)
            juce::FloatVectorOperations::copy(buffers[(size_t)start1].data(), dataToPush, (int)juce::jmin(bufferSize, numSamples));

        abstractFifo.finishedWrite(size1);
    }

    //==============================================================================
    void pop(SampleType* outputBuffer)
    {
        int start1, size1, start2, size2;
        abstractFifo.prepareToRead(1, start1, size1, start2, size2);

        jassert(size1 <= 1);
        jassert(size2 == 0);

        if (size1 > 0)
            juce::FloatVectorOperations::copy(outputBuffer, buffers[(size_t)start1].data(), (int)bufferSize);

        abstractFifo.finishedRead(size1);
    }

private:
    //==============================================================================
    juce::AbstractFifo abstractFifo{ numBuffers };
    std::array<std::array<SampleType, bufferSize>, numBuffers> buffers;
};