dirac::CompDecompressor Class Reference

Decompress a picture component. More...

#include <comp_decompress.h>

Public Member Functions
	CompDecompressor (DecoderParams &decp, const PictureParams &fp)
	Constructor.
void	Decompress (ComponentByteIO *p_component_byteio, CoeffArray &coeff_data, SubbandList &bands)
	Decompress a picture component.

Private Member Functions
	CompDecompressor (const CompDecompressor &cpy)
	Copy constructor is private and body-less.
CompDecompressor &	operator= (const CompDecompressor &rhs)
	Assignment = is private and body-less.
void	SetToVal (CoeffArray &pic_data, const Subband &node, CoeffType val)
	Sets the data of a specific subband node to a given value.
void	SetupCodeBlocks (SubbandList &bands)
	Set up the code block structures for each subband.

Private Attributes
DecoderParams &	m_decparams
	Copy of the decompression parameters provided to the constructor.
const PictureParams &	m_pparams
	Reference to the picture parameters provided to the constructor.
const PictureSort &	m_psort
	Reference to the picture sort.

Detailed Description

This class decompresses one of the three components (Y, U, or V) of a picture according to a given set or parameters. CompDecompressor is used by PictureCompressor..

Constructor & Destructor Documentation

CompDecompressor() [1/2]

dirac::CompDecompressor::CompDecompressor	(	DecoderParams &	decp,
		const PictureParams &	fp )

Create and initialize a component decompressor with the given characteristics.

Parameters

decp	decoding parameters
fp	picture parameters

CompDecompressor() [2/2]

dirac::CompDecompressor::CompDecompressor ( const CompDecompressor & cpy )

private

Copy constructor is private and body-less. This class should not be copied.

Member Function Documentation

Decompress()

void dirac::CompDecompressor::Decompress	(	ComponentByteIO *	p_component_byteio,
		CoeffArray &	coeff_data,
		SubbandList &	bands )

Decompress a PicArray containing a picture component (Y, U, or V).

Parameters

p_component_byteio	Bytestream of component data
coeff_data	contains the component data to be decompressed
bands	the subband metadata

operator=()

CompDecompressor & dirac::CompDecompressor::operator= ( const CompDecompressor & rhs )

private

Assignment = is private and body-less. This class should not be assigned.

SetToVal()

void dirac::CompDecompressor::SetToVal ( CoeffArray & pic_data, const Subband & node, CoeffType val )

private

Sets the data of a specific subband node to a given value

Parameters

pic_data	contains the component data
node	subband node
val	the value to set

SetupCodeBlocks()

void dirac::CompDecompressor::SetupCodeBlocks ( SubbandList & bands )

private

Set up the code block structures for each subband

Parameters

bands

the set of all the subbands

Member Data Documentation

m_decparams

DecoderParams& dirac::CompDecompressor::m_decparams

private

m_pparams

const PictureParams& dirac::CompDecompressor::m_pparams

private

m_psort

const PictureSort& dirac::CompDecompressor::m_psort

private

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

• comp_decompress.h