NoiseFilter.h

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* libscopeprotocols                                                                                                    *
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#ifndef NoiseFilter_h
#define NoiseFilter_h
 
#include <random>
 
class NoiseFilter : public Filter
{
public:
    NoiseFilter(const std::string& color);
 
    virtual void Refresh() override;
 
    static std::string GetProtocolName();
 
    virtual bool ValidateChannel(size_t i, StreamDescriptor stream) override;
 
    PROTOCOL_DECODER_INITPROC(NoiseFilter)
 
protected:
#ifdef __x86_64__
    void CopyWithAwgnAVX2(float* dest, float* src, size_t len, float sigma);
#endif
    void CopyWithAwgnNative(float* dest, float* src, size_t len, float sigma);
 
    std::string m_stdevname;
 
    std::mt19937 m_twister;
};
 
#endif