Dirac - A Video Codec

Created by the British Broadcasting Corporation.


dirac::VectorElementCodec Class Reference

Codes and decodes an array of motion vectors. More...

#include <mv_codec.h>

Inheritance diagram for dirac::VectorElementCodec:

dirac::ArithCodec< MvData > dirac::ArithCodecBase List of all members.

Public Member Functions

Private Member Functions

Private Attributes


Detailed Description

Derived from the ArithCodec class, this codes and decodes a motion vector element (vertical or horizontal)


Constructor & Destructor Documentation

dirac::VectorElementCodec::VectorElementCodec ByteIO p_byteio,
int  ref_id,
MvElement  horvert,
size_t  number_of_contexts
 

Creates a MvDataCodec object to encode MV data, based on parameters

Parameters:
p_byteio Input/output for the encoded bits
ref_id The identity of the reference (1 or 2)
horvert The identity of the vector element (horizontal or vertical)
number_of_contexts the number of contexts used

dirac::VectorElementCodec::VectorElementCodec const VectorElementCodec cpy  )  [private]
 


Member Function Documentation

void dirac::VectorElementCodec::CodeVal const MvData in_data  )  [private]
 

void dirac::VectorElementCodec::DecodeVal MvData out_data  )  [private]
 

void dirac::VectorElementCodec::DoWorkCode MvData in_data  )  [private, virtual]
 

Implements dirac::ArithCodec< MvData >.

void dirac::VectorElementCodec::DoWorkDecode MvData out_data  )  [private, virtual]
 

Implements dirac::ArithCodec< MvData >.

void dirac::VectorElementCodec::InitContexts  ) 
 

VectorElementCodec& dirac::VectorElementCodec::operator= const VectorElementCodec rhs  )  [private]
 

int dirac::VectorElementCodec::Prediction const MvArray mvarray,
const TwoDArray< PredMode > &  preddata
const [private]
 

void dirac::VectorElementCodec::ResetAll  )  [private]
 


Member Data Documentation

int dirac::VectorElementCodec::m_b_xp [private]
 

int dirac::VectorElementCodec::m_b_yp [private]
 

const MvElement dirac::VectorElementCodec::m_hv [private]
 

const int dirac::VectorElementCodec::m_ref [private]
 

int dirac::VectorElementCodec::m_sb_tlb_x [private]
 

int dirac::VectorElementCodec::m_sb_tlb_y [private]
 

int dirac::VectorElementCodec::m_sb_xp [private]
 

int dirac::VectorElementCodec::m_sb_yp [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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