Implementation of the FFT using the algorithm in Numerical Recipies in C. More...

#include <FFT_numrec.hxx>

Public Member Functions
	FFT_numrec ()
	FFT_numrec (const FFTConfig &c)
	~FFT_numrec ()
const char *	GetClassName () const
	Override it in every subclass and retur the name of that class.
bool	Do ()
	Supervised-mode Do function.
bool	Do (const Audio &in, Spectrum &out)
	Standard FFT Do function, with storage class references as arguments.
bool	MayDisableExecution () const
Public Member Functions inherited from CLAM::FFT_base
	FFT_base ()
virtual	~FFT_base ()
const ProcessingConfig &	GetConfig () const
	Configuration access:
bool	SetPrototypes (const Audio &in, const Spectrum &out)
	FFT non-supervised mode SetPrototypes function.
bool	SetPrototypes ()
	Standard supervised-mode SetPrototypes function.
bool	UnsetPrototypes ()
	Standard UnsetPrototypes function.
void	CheckTypes (const Audio &in, const Spectrum &out) const
virtual bool	DisableExecution ()
virtual bool	EnableExecution ()
virtual void	ToOther (Spectrum &out)
Public Member Functions inherited from CLAM::Processing
bool	Configure (const ProcessingConfig &config)
	Configuration change method.
void	Start (void)
	Method to turn the object into running state.
void	Stop (void)
	Method to put the object out of running state When in execution mode, this method must be called before any further call to Configure() methods.
	Processing ()
virtual	~Processing ()
virtual bool	CanProcessInplace ()
	Override this method if your processing cannot process inplace.
bool	CanConsumeAndProduce ()
	Check that Supervised Do() can be safely called.
void	ConsumeAndProduce ()
	Acknoledges data tokens in published ports as read/writen by calling Produce() for all registered OutPorts and Consume() to all registered InPorts.
std::string	GetExecStateString () const
bool	IsConfigured () const
bool	IsRunning () const
void	RegisterOutPort (OutPortBase *out)
void	RegisterInPort (InPortBase *in)
void	RegisterOutControl (OutControlBase *out)
void	RegisterInControl (InControlBase *in)
void	SetParent (Processing *p)
void	SetNetworkBackLink (Network *network)
virtual bool	ModifiesPortsAndControlsAtConfiguration ()
	This method is used to determine if a given processing can change its interface of ports/controls after its construction (i.e.
bool	HasInPort (const std::string &name)
bool	HasOutPort (const std::string &name)
bool	HasInControl (const std::string &name)
bool	HasOutControl (const std::string &name)
InPortBase &	GetInPort (const std::string &name)
OutPortBase &	GetOutPort (const std::string &name)
InControlBase &	GetInControl (const std::string &name)
OutControlBase &	GetOutControl (const std::string &name)
InPortBase &	GetInPort (unsigned index)
OutPortBase &	GetOutPort (unsigned index)
InControlBase &	GetInControl (unsigned index)
OutControlBase &	GetOutControl (unsigned index)
unsigned	GetNInPorts () const
unsigned	GetNOutPorts () const
unsigned	GetNInControls () const
unsigned	GetNOutControls () const
const std::string &	GetConfigErrorMessage () const
	Returns a string describing configuration errors if any.
virtual bool	IsSyncSource () const
	Wether the processing is a sync source such as audio i/o device, or an audio callback hook (i.e.
virtual bool	SupportsVariableAudioSize () const
	This method reports whether the processing supports dynamic buffer-size host.

Additional Inherited Members
Protected Types inherited from CLAM::FFT_base
enum	FFTState { sComplex, sComplexSync, sOther }
Protected Member Functions inherited from CLAM::FFT_base
void	ChangeSize (int n)
int	GetSize ()
Protected Member Functions inherited from CLAM::Processing
virtual bool	ConcreteStart ()
	Processing objects have to redefine this method when starting them implies some internal changes.
virtual bool	ConcreteStop ()
	Processing objects have to redefine this method when stoping them implies some internal changes.
unsigned	BackendBufferSize ()
	Given by the NetworkPlayer (backend) if exists.
unsigned	BackendSampleRate ()
	Given by the NetworkPlayer (backend) if exists.
InControlRegistry &	GetInControls ()
	Accessor to published Controls manager.
OutControlRegistry &	GetOutControls ()
	Accessor to published Controls manager.
InPortRegistry &	GetInPorts ()
	Accessor to published Ports manager.
OutPortRegistry &	GetOutPorts ()
	Accessor to published Portss manager.
bool	AddConfigErrorMessage (const std::string &msg)
	Use this method to append a configuration errors to the processing when implementing ConcreteConfigure.
bool	AbleToExecute (void) const
	In debug-mode checks that the processing is configured and started.
template<typename ConcreteConfig >
void	CopyAsConcreteConfig (ConcreteConfig &concrete, const ProcessingConfig &abstract) const
	Helper template to convert a reference to a ProcessingConfig to the concrete ProcessingConfig specified on the first parameter.
void	SetExecState (ExecState state)
Protected Attributes inherited from CLAM::FFT_base
Spectrum	mComplexSpectrum
	Auxiliary spectrum used if output spectrum does not have complex array.
FFTConfig	mConfig
	FFT Configuration.
int	mSize
	FFT size.
FFTState	mState
	I/O Prototype state of the FFT object.
FFTState	mBackupState
	When the object enters "Disabled" mode, it stores the previoius state here.
AudioInPort	mInput
OutPort< Spectrum >	mOutput
TData *	fftbuffer
	Internal output buffer.
Protected Attributes inherited from CLAM::Processing
ProcessingComposite *	mpParent
	Pointer to the parent (composite) processing object, or 0.
Network *	_network
	The parent network if any.
Static Protected Attributes inherited from CLAM::FFT_base
static SpecTypeFlags	mComplexflags
	Auxiliary flags structure, used to add the complex attribute.