Dirac - A Video Codec

Created by the British Broadcasting Corporation.


dirac::CompDecompressor Class Reference

Decompress a picture component. More...

#include <comp_decompress.h>

Collaboration diagram for dirac::CompDecompressor:

Collaboration graph
[legend]
List of all members.

Public Member Functions

Private Member Functions

Private Attributes


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

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

dirac::CompDecompressor::CompDecompressor const CompDecompressor cpy  )  [private]
 

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


Member Function Documentation

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 set of all subbands

CompDecompressor& dirac::CompDecompressor::operator= const CompDecompressor rhs  )  [private]
 

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

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

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

DecoderParams& dirac::CompDecompressor::m_decparams [private]
 

const PictureParams& dirac::CompDecompressor::m_pparams [private]
 

const PictureSort& dirac::CompDecompressor::m_psort [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.
HTML documentation generated by Dimitri van Heesch's excellent Doxygen tool.