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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. 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 const char * GetClass (unsigned ancestor=0) const
 Get the current dynamic type of the object instance. More...
 
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. 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
 

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() More...
 
static const char * Class ()
 Get the name of the class as a C string. 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: