#include <dsp.h>

Inheritance diagram for leansdr::naive_lowpass< T >:

Collaboration diagram for leansdr::naive_lowpass< T >:

Public Member Functions
	naive_lowpass (scheduler *sch, pipebuf< T > &_in, pipebuf< T > &_out, int _w)

void	run ()

Public Member Functions inherited from leansdr::runnable
	runnable (scheduler _sch, const char name)

Public Member Functions inherited from leansdr::runnable_common
	runnable_common (const char *_name)

virtual	~runnable_common ()

virtual void	shutdown ()

Private Attributes
pipereader< T >	in

pipewriter< T >	out

int	w

Additional Inherited Members
Public Attributes inherited from leansdr::runnable_common
const char *	name

Protected Attributes inherited from leansdr::runnable
scheduler *	sch

Detailed Description

template<typename T>
struct leansdr::naive_lowpass< T >

Definition at line 235 of file dsp.h.

Constructor & Destructor Documentation

◆ naive_lowpass()

template<typename T >

leansdr::naive_lowpass< T >::naive_lowpass	(	scheduler *	sch,
		pipebuf< T > &	_in,
		pipebuf< T > &	_out,
		int	_w
	)

inline

Definition at line 237 of file dsp.h.

         : runnable(sch, "lowpass"), in(_in), out(_out), w(_w)
     {
     }

Member Function Documentation

◆ run()

template<typename T >

void leansdr::naive_lowpass< T >::run ( )

inlinevirtual

Reimplemented from leansdr::runnable_common.

Definition at line 242 of file dsp.h.

References i, leansdr::cconverter< Tin, Zin, Tout, Zout, Gn, Gd >::in, leansdr::min(), and leansdr::cconverter< Tin, Zin, Tout, Zout, Gn, Gd >::out.

     {
         if (in.readable() < w)
             return;
         unsigned long count = min(in.readable() - w, out.writable());
         T *pin = in.rd(), *pend = pin + count;
         T *pout = out.wr();
         float k = 1.0 / w;
         for (; pin < pend; ++pin, ++pout)
         {
             T x = 0.0;
             for (int i = 0; i < w; ++i)
                 x = x + pin[i];
             *pout = x * k;
         }
         in.read(count);
         out.written(count);
     }