A tiny node to de-emphasize the higher frequencies of a FM transmitted audio signal. More...

#include <demod.hh>

Inheritance diagram for sdr::FMDeemph< Scalar >:

Public Member Functions
	FMDeemph (bool enabled=true)
	Constructor. More...

virtual	~FMDeemph ()
	Destructor. More...

bool	isEnabled () const
	Returns true if the filter node is enabled. More...

void	enable (bool enabled)
	Enable/Disable the filter node. More...

virtual void	config (const Config &src_cfg)
	Configures the node. More...

virtual void	process (const Buffer< Scalar > &buffer, bool allow_overwrite)
	Dispatches in- or out-of-place filtering. More...

Public Member Functions inherited from sdr::Sink< Scalar >
	Sink ()
	Constructor. More...

virtual	~Sink ()
	Drestructor. More...

virtual void	handleBuffer (const RawBuffer &buffer, bool allow_overwrite)
	Re-implemented from `SinkBase`. More...

Public Member Functions inherited from sdr::SinkBase
	SinkBase ()
	Constructor. More...

virtual	~SinkBase ()
	Destructor. More...

Public Member Functions inherited from sdr::Source
	Source ()
	Constructor. More...

virtual	~Source ()
	Destructor. More...

virtual void	send (const RawBuffer &buffer, bool allow_overwrite=false)
	Sends the given buffer to all connected sinks. More...

void	connect (SinkBase *sink, bool direct=false)
	Connect this source to a sink. More...

void	disconnect (SinkBase *sink)
	Disconnect a sink again. More...

virtual void	setConfig (const Config &config)
	Stores the configuration and propergates it if the configuration has been changed. More...

virtual double	sampleRate () const
	Returns the configured sample rate or `0` otherwise. More...

virtual Config::Type	type () const
	Returns the configured source type or `Config::Type_UNDEFINED` otherwise. More...

template<class T >
void	addEOS (T instance, void(T::function)())
	Adds a callback to the end-of-stream signal of the source. More...

Protected Member Functions
void	_process (const Buffer< Scalar > &in, const Buffer< Scalar > &out)
	Performs the actual filtering. More...

Protected Member Functions inherited from sdr::Source
void	signalEOS ()
	Signals the EOS. More...

void	propagateConfig (const Config &config)
	Propagates the given configuration to all connected sinks. More...

Protected Attributes
bool	_enabled
	If true, the filter is enabled. More...

int	_alpha
	Filter constant. More...

Scalar	_avg
	Current averaged value. More...

Buffer< Scalar >	_buffer
	The output buffer. More...

Protected Attributes inherited from sdr::Source
Config	_config
	Holds the source configuration, this can be updated by calling `setConfig`. More...

std::map< SinkBase *, bool >	_sinks
	The connected sinks. More...

std::list< DelegateInterface * >	_eos
	The connected EOS singal handlers. More...

Detailed Description

template<class Scalar>
class sdr::FMDeemph< Scalar >

A tiny node to de-emphasize the higher frequencies of a FM transmitted audio signal.

Constructor & Destructor Documentation

template<class Scalar >

sdr::FMDeemph< Scalar >::FMDeemph ( bool enabled = true )

inline

Constructor.

template<class Scalar >

virtual sdr::FMDeemph< Scalar >::~FMDeemph ( )

inlinevirtual

Destructor.

Member Function Documentation

template<class Scalar >

void sdr::FMDeemph< Scalar >::_process	(	const Buffer< Scalar > &	in,
		const Buffer< Scalar > &	out
	)

inlineprotected

Performs the actual filtering.

template<class Scalar >

virtual void sdr::FMDeemph< Scalar >::config ( const Config & src_cfg )

inlinevirtual

Configures the node.

Implements sdr::SinkBase.

template<class Scalar >

void sdr::FMDeemph< Scalar >::enable ( bool enabled )

inline

Enable/Disable the filter node.

template<class Scalar >

bool sdr::FMDeemph< Scalar >::isEnabled ( ) const

inline

Returns true if the filter node is enabled.

template<class Scalar >

virtual void sdr::FMDeemph< Scalar >::process	(	const Buffer< Scalar > &	buffer,
		bool	allow_overwrite
	)

inlinevirtual

Dispatches in- or out-of-place filtering.

Implements sdr::Sink< Scalar >.

Member Data Documentation

template<class Scalar >

int sdr::FMDeemph< Scalar >::_alpha

protected

Filter constant.

template<class Scalar >

Scalar sdr::FMDeemph< Scalar >::_avg

protected

Current averaged value.

template<class Scalar >

Buffer<Scalar> sdr::FMDeemph< Scalar >::_buffer

protected

The output buffer.

template<class Scalar >

bool sdr::FMDeemph< Scalar >::_enabled

protected

If true, the filter is enabled.

If not, the node is a NOP.

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

/Users/hannes/Uni/Elektronik/sdr/libsdr/src/demod.hh

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

template<class Scalar> class sdr::FMDeemph< Scalar >

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation

template<class Scalar>
class sdr::FMDeemph< Scalar >