Dirac - A Video Codec

Created by the British Broadcasting Corporation.


dirac::BiBlockDiff Class Referenceabstract

A virtual class for bi-directional differences.

#include <me_utils.h>

Inheritance diagram for dirac::BiBlockDiff:
Collaboration diagram for dirac::BiBlockDiff:

Public Member Functions

 BiBlockDiff (const PicArray &ref1, const PicArray &ref2, const PicArray &pic)
 Constructor, initialising the references and picture data.
virtual ~BiBlockDiff ()
 Virtual destructor.
virtual float Diff (const BlockDiffParams &dparams, const MVector &mv1, const MVector &mv2)=0
 Do the difference, returning SAD.

Protected Attributes

const PicArraym_pic_data
const PicArraym_ref_data1
const PicArraym_ref_data2

Private Member Functions

 BiBlockDiff (const BiBlockDiff &cpy)
 Private, bodyless copy-constructor: class should not be copied.
BiBlockDiffoperator= (const BiBlockDiff &rhs)
 Private, bodyless assignment=: class should not be assigned.

Constructor & Destructor Documentation

◆ BiBlockDiff() [1/2]

dirac::BiBlockDiff::BiBlockDiff ( const PicArray & ref1,
const PicArray & ref2,
const PicArray & pic )

Referenced by BiBlockDiff(), and operator=().

◆ ~BiBlockDiff()

virtual dirac::BiBlockDiff::~BiBlockDiff ( )
inlinevirtual

◆ BiBlockDiff() [2/2]

dirac::BiBlockDiff::BiBlockDiff ( const BiBlockDiff & cpy)
private

References BiBlockDiff().

Member Function Documentation

◆ Diff()

virtual float dirac::BiBlockDiff::Diff ( const BlockDiffParams & dparams,
const MVector & mv1,
const MVector & mv2 )
pure virtual

Do the difference, returning SAD

Parameters
dparamsblock parameters
mv1the motion vector being used for reference 1
mv2the motion vector being used for reference 2

Implemented in dirac::BiBlockEighthPel, dirac::BiBlockHalfPel, and dirac::BiBlockQuarterPel.

◆ operator=()

BiBlockDiff & dirac::BiBlockDiff::operator= ( const BiBlockDiff & rhs)
private

References BiBlockDiff().

Member Data Documentation

◆ m_pic_data

const PicArray& dirac::BiBlockDiff::m_pic_data
protected

◆ m_ref_data1

const PicArray& dirac::BiBlockDiff::m_ref_data1
protected

◆ m_ref_data2

const PicArray& dirac::BiBlockDiff::m_ref_data2
protected

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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