Dirac - A Video Codec

Created by the British Broadcasting Corporation.


Public Member Functions | Private Member Functions | Private Attributes

dirac::SubpelRefine Class Reference

The SubpelRefine class takes pixel-accurate motion vectors and refines them to 1/8-pixel accuracy. More...

#include <me_subpel.h>

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List of all members.

Public Member Functions

Private Member Functions

Private Attributes


Detailed Description

The SubpelRefine class takes pixel-accurate motion vectors and refines them to 1/8-pixel accuracy. It uses references upconverted by a factor of 2 in each dimension, with the remaining precision gained by doing linear interpolation between values on-the-fly.


Constructor & Destructor Documentation

dirac::SubpelRefine::SubpelRefine ( const EncoderParams encp)

The constructor initialises the encoder parameters.

Parameters:
encpthe parameters used for controlling ME/MC
dirac::SubpelRefine::~SubpelRefine ( ) [inline]
dirac::SubpelRefine::SubpelRefine ( const SubpelRefine cpy) [private]

Member Function Documentation

void dirac::SubpelRefine::DoBlock ( const int  xblock,
const int  yblock,
BlockMatcher my_bmatch,
MEData me_data,
const int  ref_id 
) [private]
void dirac::SubpelRefine::DoSubpel ( EncQueue my_buffer,
int  pic_num 
)

Does the actual sub-pixel refinement.

Parameters:
my_bufferthe buffer of pictures being used
pic_numthe picture number on which motion estimation is being performed
MVector dirac::SubpelRefine::GetPred ( int  xblock,
int  yblock,
const MvArray mvarray 
) [private]
void dirac::SubpelRefine::MatchPic ( const PicArray pic_data,
const PicArray refup_data,
MEData me_data,
int  ref_id 
) [private]
SubpelRefine& dirac::SubpelRefine::operator= ( const SubpelRefine rhs) [private]

Member Data Documentation


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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