Dirac - A Video Codec

Created by the British Broadcasting Corporation.


Public Member Functions | Private Member Functions | Private Attributes

dirac::VectorElementCodec Class Reference

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

#include <mv_codec.h>

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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_byteioInput/output for the encoded bits
ref_idThe identity of the reference (1 or 2)
horvertThe identity of the vector element (horizontal or vertical)
number_of_contextsthe 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]
void dirac::VectorElementCodec::DoWorkDecode ( MvData out_data) [private, virtual]
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

const int dirac::VectorElementCodec::m_ref [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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