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# dirac::BiBlockDiff Class Reference

A virtual class for bi-directional differences. More...

`#include <me_utils.h>`

Inheritance diagram for dirac::BiBlockDiff:

List of all members.

## Public Member Functions
| BiBlockDiff (const PicArray &ref1, const PicArray &ref2, const PicArray &pic)
| Constructor, initialising the references and picture data.
virtual float | Diff (const BlockDiffParams &dparams, const MVector &mv1, const MVector &mv2)=0
| Do the actual difference.
## Protected Attributes
const PicArray & | pic_data
const PicArray & | ref_data1
const PicArray & | ref_data2

## Detailed Description

A virtual class for bi-directional differences.

Definition at line 231 of file me_utils.h.

## Member Function Documentation

virtual float dirac::BiBlockDiff::Diff | ( | const BlockDiffParams & | dparams,
|  | const MVector & | mv1,
|  | const MVector & | mv2
| ) | `[pure virtual]`

  | Do the actual difference. Do the actual difference Parameters:
  | dparams | the parameters in which costs, block parameters etc are stored
  | mv1 | the motion vector being used for reference 1
  | mv2 | the motion vector being used for reference 2
Implemented in dirac::BiSimpleBlockDiff, dirac::BiBChkBlockDiff, dirac::BiBlockDiffUp, dirac::BiSimpleBlockDiffUp, and dirac::BiBChkBlockDiffUp.

The documentation for this class was generated from the following files:

- C:/guliverkli/src/filters/parser/diracsplitter/libdirac/libdirac_motionest/me_utils.h
- C:/guliverkli/src/filters/parser/diracsplitter/libdirac/libdirac_motionest/me_utils.cpp