Dirac - A Video Codec

Created by the British Broadcasting Corporation.


Public Member Functions | Private Member Functions | Private Attributes | List of all members
dirac::UpConverter Class Reference

Upconversion class. More...

#include <upconvert.h>

Public Member Functions

 UpConverter (int min_val, int max_val, int orig_xlen, int orig_ylen)
 Constructor.
 
 ~UpConverter ()
 Destructor.
 
void DoUpConverter (const PicArray &pic_data, PicArray &up_data)
 Upconvert the picture data.
 

Private Member Functions

 UpConverter (const UpConverter &cpy)
 Private body-less copy constructor: class should not be copied.
 
UpConverteroperator= (const UpConverter &rhs)
 Private body-less assignment: class should not be assigned.
 
void RowLoop (PicArray &up_data, const int row_num, const int filter_size, const int filter_shift, const short taps[4])
 Applies the filter to a row and its successor.
 

Private Attributes

int m_width_old
 
int m_height_old
 
int m_width_new
 
int m_height_new
 
const int m_min_val
 
const int m_max_val
 
const int m_orig_xl
 
const int m_orig_yl
 

Detailed Description

Class to upconvert data by a factor of 2 in both dimensions

Constructor & Destructor Documentation

dirac::UpConverter::UpConverter ( int  min_val,
int  max_val,
int  orig_xlen,
int  orig_ylen 
)
dirac::UpConverter::~UpConverter ( )
inline
dirac::UpConverter::UpConverter ( const UpConverter cpy)
private

Member Function Documentation

void dirac::UpConverter::DoUpConverter ( const PicArray pic_data,
PicArray up_data 
)

Upconvert the picture data, where the parameters are

Parameters
pic_datais the original data
up_datais the upconverted data
UpConverter& dirac::UpConverter::operator= ( const UpConverter rhs)
private
void dirac::UpConverter::RowLoop ( PicArray up_data,
const int  row_num,
const int  filter_size,
const int  filter_shift,
const short  taps[4] 
)
private

Member Data Documentation

int dirac::UpConverter::m_height_new
private
int dirac::UpConverter::m_height_old
private
const int dirac::UpConverter::m_max_val
private
const int dirac::UpConverter::m_min_val
private
const int dirac::UpConverter::m_orig_xl
private
const int dirac::UpConverter::m_orig_yl
private
int dirac::UpConverter::m_width_new
private
int dirac::UpConverter::m_width_old
private

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.
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