Dirac - A Video Codec

Created by the British Broadcasting Corporation.


dirac::CompCompressor Class Reference

Compress a picture component. More...

#include <comp_compress.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 picture according to a given set or parameters. CompCompressor is used by PictureCompressor.


Constructor & Destructor Documentation

dirac::CompCompressor::CompCompressor ( EncoderParams encp,
const PictureParams fp 
)

Create and initialize a component compressor with the given characteristics.

Parameters:
encp encoding parameters
fp picture parameters

dirac::CompCompressor::CompCompressor ( const CompCompressor cpy  )  [private]


Member Function Documentation

ComponentByteIO* dirac::CompCompressor::Compress ( CoeffArray coeff_data,
SubbandList bands,
CompSort  csort,
const OneDArray< unsigned int > &  estimated_bits 
)

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

Parameters:
coeff_data the component data to be compressed
bands Subbands list
csort Chroma format
estimated_bits the list of estimated number of bits in each subband
Returns:
Picture-component in Dirac-bytestream format

CompCompressor& dirac::CompCompressor::operator= ( const CompCompressor rhs  )  [private]

void dirac::CompCompressor::SetToVal ( CoeffArray coeff_data,
const Subband node,
ValueType  val 
) [private]


Member Data Documentation

const ChromaFormat& dirac::CompCompressor::m_cformat [private]

EncoderParams& dirac::CompCompressor::m_encparams [private]

float dirac::CompCompressor::m_lambda [private]

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

const PictureSort& dirac::CompCompressor::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.