Dirac - A Video Codec

Created by the British Broadcasting Corporation.


dirac::CompDecompressor Class Reference

Compress a frame component. More...

#include <comp_decompress.h>

Collaboration diagram for dirac::CompDecompressor:

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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 PicArray pic_data  ) 
 

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

Parameters:
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.

int dirac::CompDecompressor::ReadBandHeader BitInputManager bits_in,
Subband band
[private]
 

Read the header for the subband data, and set the decoding metadata

Parameters:
bits_in an object for reading the data
band the subband

void dirac::CompDecompressor::SetToVal PicArray pic_data,
const Subband node,
ValueType  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,
const FrameSort  fsort
[private]
 

Set up the code block structures for each subband

Parameters:
bands the set of all the subbands
fsort the frame sort - I, L1 or L2


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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