Dirac - A Video Codec

Created by the British Broadcasting Corporation.


Public Member Functions | Protected Member Functions | Protected Attributes | Private Member Functions

dirac::GenericBandCodec< EntropyCodec > Class Template Reference

A template class for coding and decoding wavelet subband data.

#include <band_codec.h>

Inheritance diagram for dirac::GenericBandCodec< EntropyCodec >:
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List of all members.

Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

template<typename EntropyCodec>
class dirac::GenericBandCodec< EntropyCodec >


Constructor & Destructor Documentation

template<typename EntropyCodec >
GenericBandCodec::GenericBandCodec ( SubbandByteIO subband_byteio,
size_t  number_of_contexts,
const SubbandList band_list,
int  band_num,
const bool  is_intra 
)

Constructor for encoding.

Creates a BandCodec object to encode subband data

Parameters:
subband_byteioinput/output for the encoded bits
number_of_contextsthe number of contexts used in the encoding process
band_listthe set of all the subbands
band_numthe number of the subband being coded
is_intraFlag indicating whether the band comes from an intra picture

References dirac::GenericBandCodec< EntropyCodec >::m_node, dirac::GenericBandCodec< EntropyCodec >::m_pnode, and dirac::Subband::Parent().

template<typename EntropyCodec>
dirac::GenericBandCodec< EntropyCodec >::GenericBandCodec ( const GenericBandCodec< EntropyCodec > &  cpy) [private]

Member Function Documentation

template<typename EntropyCodec >
int GenericBandCodec::ChooseFollowContext ( const int  bin_number) const [inline, protected]
template<typename EntropyCodec >
int GenericBandCodec::ChooseInfoContext ( ) const [inline, protected]

References dirac::INFO_CTX.

template<typename EntropyCodec >
int GenericBandCodec::ChooseSignContext ( const CoeffArray data,
const int  xpos,
const int  ypos 
) const [inline, protected]
template<typename EntropyCodec >
void GenericBandCodec::ClearBlock ( const CodeBlock code_block,
CoeffArray coeff_data 
) [protected, virtual]
template<typename EntropyCodec >
void GenericBandCodec::CodeCoeff ( CoeffArray in_data,
const int  xpos,
const int  ypos 
) [protected, virtual]
template<typename EntropyCodec >
void GenericBandCodec::CodeCoeffBlock ( const CodeBlock code_block,
CoeffArray in_data 
) [protected, virtual]
template<typename EntropyCodec >
void GenericBandCodec::CodeQuantIndexOffset ( const int  offset) [protected]
template<typename EntropyCodec >
void GenericBandCodec::CodeVal ( CoeffArray in_data,
const int  xpos,
const int  ypos,
const CoeffType  val 
) [inline, protected]
template<typename EntropyCodec >
void GenericBandCodec::DecodeCoeff ( CoeffArray in_data,
const int  xpos,
const int  ypos 
) [protected, virtual]

Reimplemented in dirac::IntraDCBandCodec.

template<typename EntropyCodec >
void GenericBandCodec::DecodeCoeffBlock ( const CodeBlock code_block,
CoeffArray out_data 
) [protected, virtual]
template<typename EntropyCodec >
int GenericBandCodec::DecodeQuantIndexOffset ( ) [protected]
template<typename EntropyCodec >
void GenericBandCodec::DecodeVal ( CoeffArray out_data,
const int  xpos,
const int  ypos 
) [inline, protected]
template<typename EntropyCodec >
void GenericBandCodec::DoWorkCode ( CoeffArray in_data) [protected, virtual]

Reimplemented in dirac::IntraDCBandCodec.

References dirac::BLOCK_SKIP_CTX.

template<typename EntropyCodec >
void GenericBandCodec::DoWorkDecode ( CoeffArray out_data) [protected, virtual]
template<typename EntropyCodec>
GenericBandCodec& dirac::GenericBandCodec< EntropyCodec >::operator= ( const GenericBandCodec< EntropyCodec > &  rhs) [private]
template<typename EntropyCodec >
void GenericBandCodec::SetToVal ( const CodeBlock code_block,
CoeffArray coeff_data,
const CoeffType  val 
) [inline, protected]

Member Data Documentation

template<typename EntropyCodec>
int dirac::GenericBandCodec< EntropyCodec >::m_bnum [protected]
template<typename EntropyCodec>
bool dirac::GenericBandCodec< EntropyCodec >::m_is_intra [protected]
template<typename EntropyCodec>
int dirac::GenericBandCodec< EntropyCodec >::m_last_qf_idx [protected]
template<typename EntropyCodec>
bool dirac::GenericBandCodec< EntropyCodec >::m_nhood_nonzero [protected]
template<typename EntropyCodec>
const Subband dirac::GenericBandCodec< EntropyCodec >::m_node [protected]
template<typename EntropyCodec>
CoeffType dirac::GenericBandCodec< EntropyCodec >::m_offset [protected]
template<typename EntropyCodec>
bool dirac::GenericBandCodec< EntropyCodec >::m_parent_notzero [protected]
template<typename EntropyCodec>
Subband dirac::GenericBandCodec< EntropyCodec >::m_pnode [protected]
template<typename EntropyCodec>
int dirac::GenericBandCodec< EntropyCodec >::m_pxpos [protected]
template<typename EntropyCodec>
int dirac::GenericBandCodec< EntropyCodec >::m_pypos [protected]
template<typename EntropyCodec>
int dirac::GenericBandCodec< EntropyCodec >::m_qf [protected]

The documentation for this class was generated from the following files:

© 2004 British Broadcasting Corporation. Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
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