Generic FIR filter class. More...

#include <firfilter.hh>

Inheritance diagram for sdr::FIRFilter< Scalar, FilterCoeffs >:

Public Member Functions
	FIRFilter (size_t order, double Fl, double Fu)
	Constructor. More...

virtual	~FIRFilter ()
	Destructor. More...

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

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

size_t	order () const
	Returns the order of the filter. More...

virtual void	setOrder (size_t order)
	Sets the order of the filter and updates the filter coefficients. More...

double	lowerFreq () const
	Returns the lower edge frequency. More...

void	setLowerFreq (double Fl)
	Sets the lower edge frequency. More...

double	uppertFreq () const
	Returns the upper edge frequency. More...

void	setUpperFreq (double Fu)
	Sets the upper edge frequency. More...

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

virtual void	process (const Buffer< Scalar > &buffer, bool allow_overwrite)
	Performs the 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 computation

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 filtering is enabled. More...

size_t	_order
	The order of the filter. More...

double	_Fl
	The lower edge frequency. More...

double	_Fu
	The upper edge frequency. More...

double	_Fs
	Current sample rate. More...

std::vector< double >	_alpha
	The current filter coefficients. More...

Buffer< Scalar >	_ring
	A "ring-buffer" used to perform the filtering. More...

size_t	_ring_offset
	Offset of the "ring-buffer". More...

Buffer< Scalar >	_buffer
	The output buffer, unused if filtering is performed in-place. 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