TComLoopFilter Class Reference

deblocking filter class More...

#include <TComLoopFilter.h>

Collaboration diagram for TComLoopFilter:

Static Public Member Functions
static Int	getBeta (Int qp)

Protected Member Functions
UInt	xCalcBsIdx (TComDataCU *pcCU, UInt absZIdxInCtu, DeblockEdgeDir edgeDir, Int iEdgeIdx, Int iBaseUnitIdx, const struct TComRectangle *rect=0)

Private Attributes
UInt	m_uiNumPartitions
UChar *	m_aapucBS [NUM_EDGE_DIR]
	Bs for [Ver/Hor][Y/U/V][Blk_Idx]. More...
Bool *	m_aapbEdgeFilter [NUM_EDGE_DIR]
LFCUParam	m_stLFCUParam
	status structure More...
Bool	m_bLFCrossTileBoundary
static const UChar	sm_tcTable [54]
static const UChar	sm_betaTable [52]
Void	xDeblockCU (TComDataCU *pcCU, UInt uiAbsZorderIdx, UInt uiDepth, DeblockEdgeDir edgeDir)
	CU-level deblocking function. More...
Void	xSetLoopfilterParam (TComDataCU *pcCU, UInt uiAbsZorderIdx)
Void	xSetEdgefilterTU (TComTU &rTu)
Void	xSetEdgefilterPU (TComDataCU *pcCU, UInt uiAbsZorderIdx)
Void	xGetBoundaryStrengthSingle (TComDataCU *pCtu, DeblockEdgeDir edgeDir, UInt uiPartIdx)
Void	xSetEdgefilterMultiple (TComDataCU *pcCU, UInt uiAbsZorderIdx, UInt uiDepth, DeblockEdgeDir edgeDir, Int iEdgeIdx, Bool bValue, UInt uiWidthInBaseUnits=0, UInt uiHeightInBaseUnits=0, const TComRectangle *rect=0)
Void	xEdgeFilterLuma (TComDataCU *const pcCU, const UInt uiAbsZorderIdx, const UInt uiDepth, const DeblockEdgeDir edgeDir, const Int iEdge)
Void	xEdgeFilterChroma (TComDataCU *const pcCU, const UInt uiAbsZorderIdx, const UInt uiDepth, const DeblockEdgeDir edgeDir, const Int iEdge)
__inline Void	xPelFilterLuma (Pel *piSrc, Int iOffset, Int tc, Bool sw, Bool bPartPNoFilter, Bool bPartQNoFilter, Int iThrCut, Bool bFilterSecondP, Bool bFilterSecondQ, const Int bitDepthLuma)
__inline Void	xPelFilterChroma (Pel *piSrc, Int iOffset, Int tc, Bool bPartPNoFilter, Bool bPartQNoFilter, const Int bitDepthChroma)
__inline Bool	xUseStrongFiltering (Int offset, Int d, Int beta, Int tc, Pel *piSrc)
__inline Int	xCalcDP (Pel *piSrc, Int iOffset)
__inline Int	xCalcDQ (Pel *piSrc, Int iOffset)
	TComLoopFilter ()
virtual	~TComLoopFilter ()
Void	create (UInt uiMaxCUDepth)
Void	destroy ()
Void	setCfg (Bool bLFCrossTileBoundary)
	set configuration More...
Void	loopFilterPic (TComPic *pcPic)
	picture-level deblocking filter More...

Detailed Description

deblocking filter class

Definition at line 54 of file TComLoopFilter.h.

Constructor & Destructor Documentation

TComLoopFilter::TComLoopFilter

(

)

Definition at line 73 of file TComLoopFilter.cpp.

TComLoopFilter::~TComLoopFilter ( )

virtual

Definition at line 84 of file TComLoopFilter.cpp.

Member Function Documentation

Void TComLoopFilter::create

(

UInt

uiMaxCUDepth

)

Definition at line 96 of file TComLoopFilter.cpp.

Void TComLoopFilter::destroy

(

)

Definition at line 107 of file TComLoopFilter.cpp.

static Int TComLoopFilter::getBeta ( Int  qp )

inlinestatic

Definition at line 134 of file TComLoopFilter.h.

Void TComLoopFilter::loopFilterPic

(

TComPic *

pcPic

)

picture-level deblocking filter

• call deblocking function for every CU

Parameters

pcPic

picture class (TComPic) pointer

Definition at line 130 of file TComLoopFilter.cpp.

Void TComLoopFilter::setCfg

(

Bool

bLFCrossTileBoundary

)

set configuration

Definition at line 91 of file TComLoopFilter.cpp.

UInt TComLoopFilter::xCalcBsIdx ( TComDataCU *  pcCU, UInt  absZIdxInCtu, DeblockEdgeDir  edgeDir, Int  iEdgeIdx, Int  iBaseUnitIdx, const struct TComRectangle *  rect = 0  )

inlineprotected

Definition at line 75 of file TComLoopFilter.h.

__inline Int TComLoopFilter::xCalcDP ( Pel *  piSrc, Int  iOffset  )

protected

Definition at line 945 of file TComLoopFilter.cpp.

__inline Int TComLoopFilter::xCalcDQ ( Pel *  piSrc, Int  iOffset  )

protected

Definition at line 950 of file TComLoopFilter.cpp.

Void TComLoopFilter::xDeblockCU ( TComDataCU *  pcCU, UInt  uiAbsZorderIdx, UInt  uiDepth, DeblockEdgeDir  edgeDir  )

protected

CU-level deblocking function.

Deblocking filter process in CU-based (the same function as conventional's)

Parameters

pcCU	Pointer to CTU/CU structure
uiAbsZorderIdx	Position in CU
uiDepth	Depth in CU
edgeDir	the direction of the edge in block boundary (horizontal/vertical), which is added newly

Definition at line 170 of file TComLoopFilter.cpp.

Void TComLoopFilter::xEdgeFilterChroma ( TComDataCU *const  pcCU, const UInt  uiAbsZorderIdx, const UInt  uiDepth, const DeblockEdgeDir  edgeDir, const Int  iEdge  )

protected

Definition at line 676 of file TComLoopFilter.cpp.

Void TComLoopFilter::xEdgeFilterLuma ( TComDataCU *const  pcCU, const UInt  uiAbsZorderIdx, const UInt  uiDepth, const DeblockEdgeDir  edgeDir, const Int  iEdge  )

protected

Definition at line 557 of file TComLoopFilter.cpp.

Void TComLoopFilter::xGetBoundaryStrengthSingle ( TComDataCU *  pCtu, DeblockEdgeDir  edgeDir, UInt  uiPartIdx  )

protected

Definition at line 416 of file TComLoopFilter.cpp.

__inline Void TComLoopFilter::xPelFilterChroma ( Pel *  piSrc, Int  iOffset, Int  tc, Bool  bPartPNoFilter, Bool  bPartQNoFilter, const Int  bitDepthChroma  )

protected

• Deblocking of one line/column for the chrominance component

Parameters

piSrc	pointer to picture data
iOffset	offset value for picture data
tc	tc value
bPartPNoFilter	indicator to disable filtering on partP
bPartQNoFilter	indicator to disable filtering on partQ
bitDepthChroma	chroma bit depth

Definition at line 901 of file TComLoopFilter.cpp.

__inline Void TComLoopFilter::xPelFilterLuma ( Pel *  piSrc, Int  iOffset, Int  tc, Bool  sw, Bool  bPartPNoFilter, Bool  bPartQNoFilter, Int  iThrCut, Bool  bFilterSecondP, Bool  bFilterSecondQ, const Int  bitDepthLuma  )

protected

• Deblocking for the luminance component with strong or weak filter

Parameters

piSrc	pointer to picture data
iOffset	offset value for picture data
tc	tc value
sw	decision strong/weak filter
bPartPNoFilter	indicator to disable filtering on partP
bPartQNoFilter	indicator to disable filtering on partQ
iThrCut	threshold value for weak filter decision
bFilterSecondP	decision weak filter/no filter for partP
bFilterSecondQ	decision weak filter/no filter for partQ
bitDepthLuma	luma bit depth

Definition at line 830 of file TComLoopFilter.cpp.

Void TComLoopFilter::xSetEdgefilterMultiple ( TComDataCU *  pcCU, UInt  uiAbsZorderIdx, UInt  uiDepth, DeblockEdgeDir  edgeDir, Int  iEdgeIdx, Bool  bValue, UInt  uiWidthInBaseUnits = 0, UInt  uiHeightInBaseUnits = 0, const TComRectangle *  rect = 0  )

protected

Definition at line 241 of file TComLoopFilter.cpp.

Void TComLoopFilter::xSetEdgefilterPU ( TComDataCU *  pcCU, UInt  uiAbsZorderIdx  )

protected

Definition at line 299 of file TComLoopFilter.cpp.

Void TComLoopFilter::xSetEdgefilterTU ( TComTU &  rTu )

protected

Definition at line 274 of file TComLoopFilter.cpp.

Void TComLoopFilter::xSetLoopfilterParam ( TComDataCU *  pcCU, UInt  uiAbsZorderIdx  )

protected

Definition at line 362 of file TComLoopFilter.cpp.

__inline Bool TComLoopFilter::xUseStrongFiltering ( Int  offset, Int  d, Int  beta, Int  tc, Pel *  piSrc  )

protected

• Decision between strong and weak filter

Parameters

offset	offset value for picture data
d	d value
beta	beta value
tc	tc value
piSrc	pointer to picture data

Definition at line 933 of file TComLoopFilter.cpp.

Member Data Documentation

Bool* TComLoopFilter::m_aapbEdgeFilter[NUM_EDGE_DIR]

private

Definition at line 60 of file TComLoopFilter.h.

UChar* TComLoopFilter::m_aapucBS[NUM_EDGE_DIR]

private

Bs for [Ver/Hor][Y/U/V][Blk_Idx].

Definition at line 59 of file TComLoopFilter.h.

Bool TComLoopFilter::m_bLFCrossTileBoundary

private

Definition at line 63 of file TComLoopFilter.h.

LFCUParam TComLoopFilter::m_stLFCUParam

private

status structure

Definition at line 61 of file TComLoopFilter.h.

UInt TComLoopFilter::m_uiNumPartitions

private

Definition at line 58 of file TComLoopFilter.h.

const UChar TComLoopFilter::sm_betaTable

staticprotected

Initial value:

=
{
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,7,8,9,10,11,12,13,14,15,16,17,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64
}

Definition at line 119 of file TComLoopFilter.h.

const UChar TComLoopFilter::sm_tcTable

staticprotected

Initial value:

=
{
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,5,5,6,6,7,8,9,10,11,13,14,16,18,20,22,24
}

Definition at line 118 of file TComLoopFilter.h.

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

• Lib/TLibCommon/TComLoopFilter.h
• Lib/TLibCommon/TComLoopFilter.cpp