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PDTMFDecoder Class Reference

#include <dtmf.h>

Inheritance diagram for PDTMFDecoder:
PObject

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
virtual ~PObject ()
virtual PObjectClone () const
 Create a copy of the class on the heap.
virtual PINDEX HashFunction () const
 This function yields a hash value required by the PDictionary class.
virtual Comparison Compare (const PObject &obj) const
 Compare the two objects and return their relative rank.
virtual Comparison CompareObjectMemoryDirect (const PObject &obj) const
 Determine the byte wise comparison of two objects.
bool operator== (const PObject &obj) const
 Compare the two objects.
bool operator!= (const PObject &obj) const
 Compare the two objects.
bool operator< (const PObject &obj) const
 Compare the two objects.
bool operator> (const PObject &obj) const
 Compare the two objects.
bool operator<= (const PObject &obj) const
 Compare the two objects.
bool operator>= (const PObject &obj) const
 Compare the two objects.
virtual const char * GetClass (unsigned ancestor=0) const
 Get the current dynamic type of the object instance.
PBoolean IsClass (const char *cls) const
virtual PBoolean InternalIsDescendant (const char *clsName) const
 Determine if the dynamic type of the current instance is a descendent of the specified class.
virtual void PrintOn (ostream &strm) const
 Output the contents of the object to the stream.
virtual void ReadFrom (istream &strm)
 Input the contents of the object from the stream.

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

Additional Inherited Members

- Static Public Member Functions inherited from PObject
static Comparison InternalCompareObjectMemoryDirect (const PObject *obj1, const PObject *obj2, PINDEX size)
 Internal function caled from CompareObjectMemoryDirect()
static const char * Class ()
 Get the name of the class as a C string.
- Protected Member Functions inherited from PObject
 PObject ()
 Constructor for PObject, made protected so cannot ever create one on its own.
- Friends inherited from PObject

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: