dirac::Context Class Reference

#include <arith_codec.h>

Public Member Functions
	Context ()
	Default Constructor.
unsigned int	GetScaledProb0 () const
	Returns estimate of probability of 0 (false) scaled to 2**16.
void	Update (bool symbol)
	Updates context counts.

Private Attributes
int	m_prob0

Static Private Attributes
static const unsigned int	lut [256]

Constructor & Destructor Documentation

Context()

dirac::Context::Context ( )

inline

Default constructor initialises counts to 1 each of 0 and 1.

Member Function Documentation

GetScaledProb0()

unsigned int dirac::Context::GetScaledProb0 ( ) const

inline

References m_prob0.

Referenced by dirac::ArithCodecBase::DecodeSymbol(), and dirac::ArithCodecBase::EncodeSymbol().

Update()

void dirac::Context::Update ( bool symbol )

inline

References lut, and m_prob0.

Referenced by dirac::ArithCodecBase::DecodeSymbol(), and dirac::ArithCodecBase::EncodeSymbol().

Member Data Documentation

lut

const unsigned int dirac::Context::lut[256]

staticprivate

Referenced by Update().

m_prob0

int dirac::Context::m_prob0

private

Referenced by GetScaledProb0(), and Update().

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

• arith_codec.h