PDTMFDecoder Class Reference

#include <dtmf.h>

Inheritance diagram for PDTMFDecoder:

Collaboration diagram for PDTMFDecoder:

Public Types
enum	{ DetectSamples = 520, DetectTime = DetectSamples/8 }
Public Types inherited from PObject
enum	Comparison { LessThan = -1, EqualTo = 0, GreaterThan = 1 }
	Result of the comparison operation performed by the Compare() function. More...

Public Member Functions
	PDTMFDecoder ()
PString	Decode (const short *sampleData, PINDEX numSamples, unsigned mult=1, unsigned div=1)
Public Member Functions inherited from PObject
__inline unsigned	GetTraceContextIdentifier () const
	Get PTRACE context identifier. More...
__inline void	SetTraceContextIdentifier (unsigned id)
__inline void	SetTraceContextIdentifier (const PObject &obj)
__inline void	SetTraceContextIdentifier (const PObject *obj)
__inline void	CopyTraceContextIdentifier (PObject &obj) const
__inline void	CopyTraceContextIdentifier (PObject *obj) const
virtual	~PObject ()
__inline const char *	GetClass () const
__inline bool	IsClass (const char *name) const
__inline const PObject *	PTraceObjectInstance () const
virtual PObject *	Clone () const
	Create a copy of the class on the heap. More...
template<class CLS >
CLS *	CloneAs () const
	As for Clone() but converts to specified type. More...
virtual PINDEX	HashFunction () const
	This function yields a hash value required by the PDictionary class. More...
virtual Comparison	Compare (const PObject &obj) const
	Compare the two objects and return their relative rank. More...
virtual Comparison	CompareObjectMemoryDirect (const PObject &obj) const
	Determine the byte wise comparison of two objects. More...
bool	operator== (const PObject &obj) const
	Compare the two objects. More...
bool	operator!= (const PObject &obj) const
	Compare the two objects. More...
bool	operator< (const PObject &obj) const
	Compare the two objects. More...
bool	operator> (const PObject &obj) const
	Compare the two objects. More...
bool	operator<= (const PObject &obj) const
	Compare the two objects. More...
bool	operator>= (const PObject &obj) const
	Compare the two objects. More...
virtual void	PrintOn (ostream &strm) const
	Output the contents of the object to the stream. More...
virtual void	ReadFrom (istream &strm)
	Input the contents of the object from the stream. More...

Protected Types
enum	{ NumTones = 10 }

Protected Attributes
char	key [256]
int	p1 [NumTones]
int	h [NumTones]
int	k [NumTones]
int	y [NumTones]
int	sampleCount
int	tonesDetected
int	inputAmplitude
Protected Attributes inherited from PObject
unsigned	m_traceContextIdentifier

Additional Inherited Members
Static Public Member Functions inherited from PObject
static __inline void	CopyTraceContextIdentifier (PObject &to, const PObject &from)
static __inline void	CopyTraceContextIdentifier (PObject &to, const PObject *from)
static __inline void	CopyTraceContextIdentifier (PObject *to, const PObject &from)
static __inline void	CopyTraceContextIdentifier (PObject *to, const PObject *from)
static __inline const char *	Class ()
static __inline const PObject *	PTraceObjectInstance (const char *)
static __inline const PObject *	PTraceObjectInstance (const PObject *obj)
template<typename T >
static Comparison	Compare2 (T v1, T v2)
	Compare two types, returning Comparison type. More...
static Comparison	InternalCompareObjectMemoryDirect (const PObject *obj1, const PObject *obj2, PINDEX size)
	Internal function caled from CompareObjectMemoryDirect() More...
Protected Member Functions inherited from PObject
	PObject ()
	Constructor for PObject, made protected so cannot ever create one on its own. More...

Member Enumeration Documentation

anonymous enum

Enumerator
DetectSamples
DetectTime

anonymous enum

protected

Enumerator
NumTones

Constructor & Destructor Documentation

PDTMFDecoder::PDTMFDecoder

(

)

Member Function Documentation

PString PDTMFDecoder::Decode	(	const short *	sampleData,
		PINDEX	numSamples,
		unsigned	mult = 1,
		unsigned	div = 1
	)

Member Data Documentation

int PDTMFDecoder::h[NumTones]

protected

int PDTMFDecoder::inputAmplitude

protected

int PDTMFDecoder::k[NumTones]

protected

char PDTMFDecoder::key[256]

protected

int PDTMFDecoder::p1[NumTones]

protected

int PDTMFDecoder::sampleCount

protected

int PDTMFDecoder::tonesDetected

protected

int PDTMFDecoder::y[NumTones]

protected

---

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

• dtmf.h