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# dirac::BlockDiffUp Class Reference

An abstract class for doing block differences with an upconverted reference. More...

`#include <me_utils.h>`

Inheritance diagram for dirac::BlockDiffUp:

List of all members.

## Public Member Functions
| BlockDiffUp (const PicArray &ref, const PicArray &pic)
| Constructor, initialising the reference and picture data.
virtual | ~BlockDiffUp ()
| Destructor.
virtual float | Diff (const BlockDiffParams &dparams, const MVector &mv)=0
| Do the actual difference.
## Protected Attributes
int | InterpLookup [9][4]
| A lookup table to simplify the 1/8 pixel accuracy code.

## Detailed Description

An abstract class for doing block differences with an upconverted reference.

Definition at line 326 of file me_utils.h.

## Member Function Documentation

virtual float dirac::BlockDiffUp::Diff | ( | const BlockDiffParams & | dparams,
|  | const MVector & | mv
| ) | `[pure virtual]`

  | Do the actual difference. Do the actual difference Parameters:
  | dparams | the parameters in which costs, block parameters etc are stored
  | mv | the motion vector being used
Implements dirac::BlockDiff. Implemented in dirac::SimpleBlockDiffUp, and dirac::BChkBlockDiffUp.

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