Dirac - A Video Codec

Created by the British Broadcasting Corporation.


dirac::QuantChooser Class Reference

Choose a quantiser. More...

#include <quant_chooser.h>

List of all members.

Public Member Functions

Private Member Functions

Private Attributes


Detailed Description

This class chooses a quantiser or quantisers for a subband


Constructor & Destructor Documentation

dirac::QuantChooser::QuantChooser ( const CoeffArray pic_data,
const float  lambda 
)

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


Member Function Documentation

CoeffType dirac::QuantChooser::BlockAbsMax ( const Subband node  )  [private]

int dirac::QuantChooser::GetBestQuant ( Subband node  ) 

void dirac::QuantChooser::IntegralErrorCalc ( Subband node,
const int  xratio,
const int  yratio 
) [private]

void dirac::QuantChooser::LagrangianCalc (  )  [private]

void dirac::QuantChooser::NonIntegralErrorCalc ( Subband node,
const int  xratio,
const int  yratio 
) [private]

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

void dirac::QuantChooser::SelectBestQuant (  )  [private]

void dirac::QuantChooser::SetEntropyCorrection ( const float  ecfac  )  [inline]

void dirac::QuantChooser::SetSkip ( CodeBlock cblock,
const int  qidx 
) [private]


Member Data Documentation

int dirac::QuantChooser::m_bottom_idx [private]

const CoeffArray& dirac::QuantChooser::m_coeff_data [private]

OneDArray<CostType> dirac::QuantChooser::m_costs [private]

OneDArray<int> dirac::QuantChooser::m_count0 [private]

int dirac::QuantChooser::m_count1 [private]

OneDArray<int> dirac::QuantChooser::m_countNEG [private]

OneDArray<int> dirac::QuantChooser::m_countPOS [private]

float dirac::QuantChooser::m_entropy_correctionfactor [private]

OneDArray<double> dirac::QuantChooser::m_error_total [private]

int dirac::QuantChooser::m_index_step [private]

const float dirac::QuantChooser::m_lambda [private]

int dirac::QuantChooser::m_min_idx [private]

float dirac::QuantChooser::m_subband_wt [private]

int dirac::QuantChooser::m_top_idx [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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