Dirac - A Video Codec

Created by the British Broadcasting Corporation.


dirac::CompDecompressor Class Reference

Compress a frame component. More...

#include <comp_decompress.h>

List of all members.

Public Member Functions

Private Member Functions

Private Attributes


Detailed Description

This class compresses one of the three components (Y, U, or V) of a frame according to a given set or parameters. CompCompressor is used by FrameCompressor..

Constructor & Destructor Documentation

dirac::CompDecompressor::CompDecompressor ( DecoderParams decp,
const FrameParams fp 
)

Create and initialize a component decompressor with the given characteristics.

Parameters:
decp decoding parameters
fp frame 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,
PicArray pic_data 
)

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

Parameters:
p_component_byteio Bytestream of component data
pic_data contains the component data to be decompressed

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 FrameParams& dirac::CompDecompressor::m_fparams [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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