leansdr::linear_sampler< T > Struct Template Reference

#include <sdr.h>

Inheritance diagram for leansdr::linear_sampler< T >:

Collaboration diagram for leansdr::linear_sampler< T >:

Public Member Functions
int	readahead ()
complex< T >	interp (const complex< T > *pin, float mu, float phase)
void	update_freq (float _freqw, int period=1)
Public Member Functions inherited from leansdr::sampler_interface< T >
virtual	~sampler_interface ()

Private Attributes
trig16	trig
float	freqw

Detailed Description

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

Definition at line 927 of file sdr.h.

Member Function Documentation

interp()

template<typename T >

complex<T> leansdr::linear_sampler< T >::interp ( const complex< T > *  pin, float  mu, float  phase  )

inlinevirtual

Implements leansdr::sampler_interface< T >.

Definition at line 934 of file sdr.h.

    {
        // Derotate pin[0] and pin[1]
        complex<T> s0 = pin[0] * trig.expi(-phase);
        complex<T> s1 = pin[1] * trig.expi(-(phase + freqw));
        // Interpolate linearly
        return s0 * (1 - mu) + s1 * mu;
    }

readahead()

template<typename T >

int leansdr::linear_sampler< T >::readahead ( )

inlinevirtual

Implements leansdr::sampler_interface< T >.

Definition at line 929 of file sdr.h.

    {
        return 1;
    }

update_freq()

template<typename T >

void leansdr::linear_sampler< T >::update_freq ( float  _freqw, int  period = 1  )

inlinevirtual

Reimplemented from leansdr::sampler_interface< T >.

Definition at line 943 of file sdr.h.

    {
        (void) period;
        freqw = _freqw;
    }

Member Data Documentation

freqw

template<typename T >

float leansdr::linear_sampler< T >::freqw

private

Definition at line 951 of file sdr.h.

trig

template<typename T >

trig16 leansdr::linear_sampler< T >::trig

private

Definition at line 950 of file sdr.h.

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The documentation for this struct was generated from the following file:

• plugins/channelrx/demoddatv/leansdr/sdr.h