Binary and m-ary Arithmetic Coders

Binary and m-ary arithmetic coders. More...

Classes
class	SPL::MultiArithEncoder
	M-ary arithmetic encoder class. More...
class	SPL::MultiArithDecoder
	M-ary arithmetic decoder class. More...
struct	SPL::BinArithCoderContextStat
	Binary Arithmetic Coder Context Statistics Class. More...
class	SPL::BinArithEncoder
	Binary arithmetic encoder class. More...
class	SPL::BinArithDecoder
	Binary arithmetic decoder class. More...

Functions
static std::ostream &	SPL::MultiArithEncoder::getDebugStream ()
	Get the stream for debugging output. More...
OutputBitStream *	SPL::MultiArithEncoder::getOutput ()
	Get the bit stream used for output. More...
void	SPL::MultiArithEncoder::setOutput (OutputBitStream *out)
	Set the bit stream used for output. More...
SPL_ArithCoder_ulong	SPL::MultiArithEncoder::getSymCount () const
	Get the number of symbols encoded so far. More...
SPL_ArithCoder_ulong	SPL::MultiArithEncoder::getBitCount () const
	Get the number of bits of output generated so far including bits awaiting output. More...
static void	SPL::MultiArithEncoder::setDebugLevel (int debugLevel)
	Set the debug level. More...
static void	SPL::MultiArithEncoder::setDebugStream (std::ostream &out)
	Set the stream for debugging output. More...
int	SPL::MultiArithEncoder::getMaxContexts () const
	Get the maximum number of contexts. More...
static std::ostream &	SPL::MultiArithDecoder::getDebugStream ()
	Get the stream used for debugging output. More...
InputBitStream *	SPL::MultiArithDecoder::getInput () const
	Get the bit stream from which to read encoded data. More...
void	SPL::MultiArithDecoder::setInput (InputBitStream *in)
	Set the bit stream from which to read encoded data. More...
SPL_ArithCoder_ulong	SPL::MultiArithDecoder::getBitCount () const
	Get the number of bits read so far. More...
SPL_ArithCoder_ulong	SPL::MultiArithDecoder::getSymCount () const
	Get the number of symbols decoded so far. More...
static void	SPL::MultiArithDecoder::setDebugLevel (int debugLevel)
	Set the debug level. More...
static void	SPL::MultiArithDecoder::setDebugStream (std::ostream &out)
	Set the stream to use for debugging output. More...
int	SPL::MultiArithDecoder::getMaxContexts () const
	Get the maximum number of contexts. More...
SPL_ArithCoder_ulong	SPL::BinArithEncoder::getSymCount () const
	Get the number of symbols output so far. More...
SPL_ArithCoder_ulong	SPL::BinArithEncoder::getBitCount () const
	Get the number of bits output so far. More...
OutputBitStream *	SPL::BinArithEncoder::getOutput () const
	Get the bit stream to which encoded data should be written. More...
int	SPL::BinArithEncoder::getNumContexts () const
	Get the number of contexts. More...
static void	SPL::BinArithEncoder::setDebugStream (std::ostream &out)
	Set the stream to use for debugging output. More...
static std::ostream &	SPL::BinArithEncoder::getDebugStream ()
	Get the stream used for debugging output. More...
static void	SPL::BinArithEncoder::setDebugLevel (int debugLevel)
	Set the debug level. More...
void	SPL::BinArithEncoder::setOutput (OutputBitStream *out)
	Set the bit stream to which encoded data should be written. More...
SPL_ArithCoder_ulong	SPL::BinArithDecoder::getSymCount () const
	Get the number of symbols decoded so far. More...
SPL_ArithCoder_ulong	SPL::BinArithDecoder::getBitCount () const
	Get the number of bits read so far. More...
InputBitStream *	SPL::BinArithDecoder::getInput () const
	Get the bit stream from which to read encoded data. More...
int	SPL::BinArithDecoder::getNumContexts () const
	Get the number of contexts. More...
static void	SPL::BinArithDecoder::setDebugStream (std::ostream &out)
	Set the stream to be used for debugging output. More...
static std::ostream &	SPL::BinArithDecoder::getDebugStream ()
	Get the stream used for debugging output. More...
static void	SPL::BinArithDecoder::setDebugLevel (int debugLevel)
	Set the debug level. More...
void	SPL::BinArithDecoder::setInput (InputBitStream *in)
	Set the bit stream from which to read encoded data. More...

Detailed Description

Binary and m-ary arithmetic coders.

Function Documentation

getBitCount() [1/4]

SPL_ArithCoder_ulong SPL::MultiArithEncoder::getBitCount ( ) const

inline

Get the number of bits of output generated so far including bits awaiting output.

getBitCount() [2/4]

SPL_ArithCoder_ulong SPL::MultiArithDecoder::getBitCount ( ) const

inline

Get the number of bits read so far.

getBitCount() [3/4]

SPL_ArithCoder_ulong SPL::BinArithEncoder::getBitCount ( ) const

inline

Get the number of bits output so far.

This function gets the number of bits output so far by the arithmetic encoder.

Returns

The number of bits output so far is returned.

getBitCount() [4/4]

SPL_ArithCoder_ulong SPL::BinArithDecoder::getBitCount ( ) const

inline

Get the number of bits read so far.

This function gets the number of bits read so far by the arithmetic decoder.

Returns

The number of bits read so far is returned.

getDebugStream() [1/4]

std::ostream & SPL::MultiArithEncoder::getDebugStream ( )

inlinestatic

Get the stream for debugging output.

getDebugStream() [2/4]

std::ostream & SPL::MultiArithDecoder::getDebugStream ( )

inlinestatic

Get the stream used for debugging output.

getDebugStream() [3/4]

std::ostream & SPL::BinArithEncoder::getDebugStream ( )

inlinestatic

Get the stream used for debugging output.

getDebugStream() [4/4]

std::ostream & SPL::BinArithDecoder::getDebugStream ( )

inlinestatic

Get the stream used for debugging output.

getInput() [1/2]

InputBitStream * SPL::MultiArithDecoder::getInput ( ) const

inline

Get the bit stream from which to read encoded data.

getInput() [2/2]

InputBitStream * SPL::BinArithDecoder::getInput ( ) const

inline

Get the bit stream from which to read encoded data.

This function gets the bit stream from which to read encoded data.

Returns

A pointer to the bit stream is returned.

getMaxContexts() [1/2]

int SPL::MultiArithEncoder::getMaxContexts ( ) const

inline

Get the maximum number of contexts.

getMaxContexts() [2/2]

int SPL::MultiArithDecoder::getMaxContexts ( ) const

inline

Get the maximum number of contexts.

getNumContexts() [1/2]

int SPL::BinArithEncoder::getNumContexts ( ) const

inline

Get the number of contexts.

This function gets the number of contexts employed by the arithmetic encoder.

Returns

The number of contexts is returned.

getNumContexts() [2/2]

int SPL::BinArithDecoder::getNumContexts ( ) const

inline

Get the number of contexts.

This function gets the number of contexts employed by the arithmetic decoder.

Returns

The number of contexts is returned.

getOutput() [1/2]

OutputBitStream * SPL::MultiArithEncoder::getOutput ( )

inline

Get the bit stream used for output.

getOutput() [2/2]

OutputBitStream * SPL::BinArithEncoder::getOutput ( ) const

inline

Get the bit stream to which encoded data should be written.

This function gets the bit stream to which encoded data should be written.

Returns

A pointer to the output bit stream is returned.

getSymCount() [1/4]

SPL_ArithCoder_ulong SPL::MultiArithEncoder::getSymCount ( ) const

inline

Get the number of symbols encoded so far.

getSymCount() [2/4]

SPL_ArithCoder_ulong SPL::MultiArithDecoder::getSymCount ( ) const

inline

Get the number of symbols decoded so far.

getSymCount() [3/4]

SPL_ArithCoder_ulong SPL::BinArithEncoder::getSymCount ( ) const

inline

Get the number of symbols output so far.

This function gets the number of symbols output so far by the arithmetic encoder.

Returns

The number of symbols output so far is returned.

getSymCount() [4/4]

SPL_ArithCoder_ulong SPL::BinArithDecoder::getSymCount ( ) const

inline

Get the number of symbols decoded so far.

This function gets the number of symbols decoded so far by the arithmetic decoder.

Returns

The number of symbols decoded so far is returned.

setDebugLevel() [1/4]

void SPL::MultiArithEncoder::setDebugLevel ( int  debugLevel )

inlinestatic

Set the debug level.

setDebugLevel() [2/4]

void SPL::MultiArithDecoder::setDebugLevel ( int  debugLevel )

inlinestatic

Set the debug level.

setDebugLevel() [3/4]

void SPL::BinArithEncoder::setDebugLevel ( int  debugLevel )

inlinestatic

Set the debug level.

setDebugLevel() [4/4]

void SPL::BinArithDecoder::setDebugLevel ( int  debugLevel )

inlinestatic

Set the debug level.

setDebugStream() [1/4]

void SPL::MultiArithEncoder::setDebugStream ( std::ostream &  out )

inlinestatic

Set the stream for debugging output.

setDebugStream() [2/4]

void SPL::MultiArithDecoder::setDebugStream ( std::ostream &  out )

inlinestatic

Set the stream to use for debugging output.

setDebugStream() [3/4]

void SPL::BinArithEncoder::setDebugStream ( std::ostream &  out )

inlinestatic

Set the stream to use for debugging output.

setDebugStream() [4/4]

void SPL::BinArithDecoder::setDebugStream ( std::ostream &  out )

inlinestatic

Set the stream to be used for debugging output.

setInput() [1/2]

void SPL::MultiArithDecoder::setInput ( InputBitStream *  in )

inline

Set the bit stream from which to read encoded data.

setInput() [2/2]

void SPL::BinArithDecoder::setInput ( InputBitStream *  in )

inline

Set the bit stream from which to read encoded data.

Parameters

in	The input bit stream.

This function sets the bit stream from which to read encoded data to in.

setOutput() [1/2]

void SPL::MultiArithEncoder::setOutput ( OutputBitStream *  out )

inline

Set the bit stream used for output.

setOutput() [2/2]

void SPL::BinArithEncoder::setOutput ( OutputBitStream *  out )

inline

Set the bit stream to which encoded data should be written.

Parameters

out	The output bit stream.

This function sets the bit stream to which encoded data should be written.