IRConvolver.h

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namespace krotos
{
    class FloatBuffer : public ReferenceCountedObject
    {
      public:
        typedef ReferenceCountedObjectPtr<FloatBuffer> Ptr;
 
        explicit FloatBuffer(size_t size) : juce::ReferenceCountedObject(), m_buffer(size) {}
 
        size_t getSize() const { return m_buffer.size(); }
 
        float* data() { return m_buffer.data(); }
 
        const float* data() const { return m_buffer.data(); }
 
      private:
        std::vector<float> m_buffer;
 
        // Prevent uncontrolled usage
        FloatBuffer(const FloatBuffer&);
        FloatBuffer& operator=(const FloatBuffer&);
    };
 
    //==============================================================================
    class IRConvolver
    {
      public:
        IRConvolver();
        virtual ~IRConvolver();
 
        // impulse response used by this convolver
        FloatBuffer::Ptr getImpulseResponse() const;
        void clearImpulseResponse();
 
        Convolver* getConvolver();
        void setConvolver(Convolver* convolver);
        void resetConvolver();
        void resetConvolver(FloatBuffer::Ptr irBuffer, float headBlockSize, float tailBlockSize);
        void clearConvolver();
 
        void process(const float* input, float* output, int len);
 
      private:
        float m_headBlockSize;
        float m_tailBlockSize;
 
        FloatBuffer::Ptr m_irBuffer;
 
        CriticalSection m_convolverMutex;
        std::unique_ptr<Convolver> m_convolver;
 
        JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(IRConvolver)
    };
} // namespace krotos