Dirac - A Video Codec

Created by the British Broadcasting Corporation.


dirac::MvDataCodec Class Reference

Codes and decodes all the Motion Vector data. More...

#include <mv_codec.h>

Inheritance diagram for dirac::MvDataCodec:

dirac::ArithCodec< T > 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 all the motion vector data.


Constructor & Destructor Documentation

dirac::MvDataCodec::MvDataCodec ( ByteIO p_byteio,
size_t  number_of_contexts,
const ChromaFormat cf 
)

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

Parameters:
p_byteio Input/output for the encoded bits
number_of_contexts the number of contexts used
cf the chroma format

dirac::MvDataCodec::MvDataCodec ( const MvDataCodec cpy  )  [private]


Member Function Documentation

unsigned int dirac::MvDataCodec::BlockModePrediction ( const TwoDArray< PredMode > &  preddata,
const unsigned int  num_refs 
) const [private]

void dirac::MvDataCodec::CodeDC ( const MvData in_data  )  [private]

void dirac::MvDataCodec::CodeMBCom ( const MvData in_data  )  [private]

void dirac::MvDataCodec::CodeMBSplit ( const MvData in_data  )  [private]

void dirac::MvDataCodec::CodeMv1 ( const MvData in_data  )  [private]

void dirac::MvDataCodec::CodeMv2 ( const MvData in_data  )  [private]

void dirac::MvDataCodec::CodePredmode ( const MvData in_data  )  [private]

ValueType dirac::MvDataCodec::DCPrediction ( const TwoDArray< ValueType > &  dcdata,
const TwoDArray< PredMode > &  preddata 
) const [private]

void dirac::MvDataCodec::DecodeDC ( MvData out_data  )  [private]

void dirac::MvDataCodec::DecodeMBCom ( MvData out_data  )  [private]

void dirac::MvDataCodec::DecodeMBSplit ( MvData out_data  )  [private]

void dirac::MvDataCodec::DecodeMv1 ( MvData out_data  )  [private]

void dirac::MvDataCodec::DecodeMv2 ( MvData out_data  )  [private]

void dirac::MvDataCodec::DecodePredmode ( MvData out_data  )  [private]

void dirac::MvDataCodec::DoWorkCode ( MvData in_data  )  [private]

void dirac::MvDataCodec::DoWorkDecode ( MvData out_data  )  [private]

void dirac::MvDataCodec::InitContexts (  )  [virtual]

Implements dirac::ArithCodecBase.

bool dirac::MvDataCodec::MBCBModePrediction ( const TwoDArray< bool > &  mbdata  )  const [private]

unsigned int dirac::MvDataCodec::MBSplitPrediction ( const TwoDArray< int > &  mbdata  )  const [private]

MVector dirac::MvDataCodec::Mv1Prediction ( const MvArray mvarray,
const TwoDArray< PredMode > &  preddata 
) const [private]

MVector dirac::MvDataCodec::Mv2Prediction ( const MvArray mvarray,
const TwoDArray< PredMode > &  preddata 
) const [private]

MvDataCodec& dirac::MvDataCodec::operator= ( const MvDataCodec rhs  )  [private]

void dirac::MvDataCodec::ResetAll (  )  [private, virtual]

Implements dirac::ArithCodecBase.


Member Data Documentation

int dirac::MvDataCodec::m_b_xp [private]

int dirac::MvDataCodec::m_b_yp [private]

const ChromaFormat& dirac::MvDataCodec::m_cformat [private]

int dirac::MvDataCodec::m_MB_count [private]

int dirac::MvDataCodec::m_mb_tlb_x [private]

int dirac::MvDataCodec::m_mb_tlb_y [private]

int dirac::MvDataCodec::m_mb_xp [private]

int dirac::MvDataCodec::m_mb_yp [private]

const int dirac::MvDataCodec::m_reset_num [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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