Dirac - A Video Codec

Created by the British Broadcasting Corporation.


Public Member Functions | Private Member Functions | Private Attributes
dirac::SubbandList Class Reference

A class encapulating all the subbands produced by a transform.

#include <wavelet_utils.h>

List of all members.

Public Member Functions

 SubbandList ()
 Constructor.
 ~SubbandList ()
 Destructor.
void Init (const int depth, const int xlen, const int ylen)
 Initialise the list.
int Length () const
 Return the length of the subband list.
Subband & operator() (const int n)
 Return the subband at position n (1<=n<=length)
const Subband & operator() (const int n) const
 Return the subband at position n (1<=n<=length)
void AddBand (const Subband &b)
 Add a band to the list.
void Clear ()
 Remove all the bands from the list.

Private Member Functions

float PerceptualWeight (const float xf, const float yf, const CompSort cs)
 Given x and y spatial frequencies in cycles per degree, returns a weighting value.

Private Attributes

std::vector< Subband > bands

Constructor & Destructor Documentation

dirac::SubbandList::SubbandList ( )
inline
dirac::SubbandList::~SubbandList ( )
inline

Member Function Documentation

void dirac::SubbandList::AddBand ( const Subband &  b)
inline

References bands.

void dirac::SubbandList::Clear ( )
inline

References bands.

void dirac::SubbandList::Init ( const int  depth,
const int  xlen,
const int  ylen 
)
int dirac::SubbandList::Length ( ) const
inline

References bands.

Subband& dirac::SubbandList::operator() ( const int  n)
inline

References bands.

const Subband& dirac::SubbandList::operator() ( const int  n) const
inline

References bands.

float dirac::SubbandList::PerceptualWeight ( const float  xf,
const float  yf,
const CompSort  cs 
)
private

Member Data Documentation

std::vector<Subband> dirac::SubbandList::bands
private

Referenced by AddBand(), Clear(), Length(), and operator()().


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

© 2004 British Broadcasting Corporation. Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
HTML documentation generated by Dimitri van Heesch's excellent Doxygen tool.