vdecmpeg4::M4MotionVectorMgr Class Reference

#include <M4MotionVectorMgr.h>

Public Member Functions
void	init ()
	Init members for current frame.
void	readMvForward (M4_MB *mb)
	Read the motion vector residual from the bitstream.
void	predictAddForward (M4_MB *mb, int32 mbx, int32 mby)
	Add the residual to the prediction.
void	addMv (M4_VECTOR &res, uint16 code, const M4_VECTOR &inputMv, const M4_VECTOR &predictor)
	Add predictor and input motion vector based on forward/backward code.
void	addMvForward (M4_VECTOR &res, const M4_VECTOR &inputMv, const M4_VECTOR &predictor)
	Add predicted motion vector to FORWARD prediction.
void	readMv (M4_VECTOR &res, uint16 code)
	Read motion vector residual from file.
void *	operator new (size_t sz, M4MemHandler &memSys)
void	operator delete (void *ptr)

Static Public Member Functions
static M4MotionVectorMgr *	create (M4Decoder *pDecoder, M4MemHandler &memSys)
	Creation.
static void	destroy (M4MotionVectorMgr *&pMgr, M4MemHandler &memSys)
	Destruction.

Static Public Attributes
static const M4_VECTOR	MV_ZERO = { 0, 0 }
	Zero motion vector.

Member Function Documentation

addMv()

void vdecmpeg4::M4MotionVectorMgr::addMv ( M4_VECTOR &  res, uint16  code, const M4_VECTOR &  inputMv, const M4_VECTOR &  predictor  )

inline

Add predictor and input motion vector based on forward/backward code.

addMvForward()

void vdecmpeg4::M4MotionVectorMgr::addMvForward ( M4_VECTOR &  res, const M4_VECTOR &  inputMv, const M4_VECTOR &  predictor  )

inline

Add predicted motion vector to FORWARD prediction.

create()

M4MotionVectorMgr * vdecmpeg4::M4MotionVectorMgr::create ( M4Decoder *  pDecoder, M4MemHandler &  memSys  )

static

Creation.

Static creation of class instance

Parameters

pDecoder
memSys

Returns

destroy()

void vdecmpeg4::M4MotionVectorMgr::destroy ( M4MotionVectorMgr *&  pMgr, M4MemHandler &  memSys  )

static

Destruction.

Destruction of class instance

Parameters

pMgr
memSys

init()

void vdecmpeg4::M4MotionVectorMgr::init

(

)

Init members for current frame.

Initialize requird M4MotionVectorMgr members

operator delete()

void vdecmpeg4::M4MotionVectorMgr::operator delete

(

void *

ptr

)

placement delete

Parameters

ptr

operator new()

void * vdecmpeg4::M4MotionVectorMgr::operator new	(	size_t	sz,
		M4MemHandler &	memSys
	)

placement new

Parameters

sz
memSys

Returns

predictAddForward()

void vdecmpeg4::M4MotionVectorMgr::predictAddForward	(	M4_MB *	mb,
		int32	mbx,
		int32	mby
	)

Add the residual to the prediction.

Do the actual motion vector prediction

Parameters

mb
mbx
mby

readMv()

void vdecmpeg4::M4MotionVectorMgr::readMv ( M4_VECTOR &  res, uint16  code  )

inline

Read motion vector residual from file.

readMvForward()

void vdecmpeg4::M4MotionVectorMgr::readMvForward

(

M4_MB *

mb

)

Read the motion vector residual from the bitstream.

Just read the motion vector info from the bitstream

Parameters

mb

Member Data Documentation

MV_ZERO

const M4_VECTOR vdecmpeg4::M4MotionVectorMgr::MV_ZERO = { 0, 0 }

static

Zero motion vector.

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

• Engine/Source/Runtime/AVEncoder/Private/Decoders/vdecmpeg4/M4MotionVectorMgr.h
• Engine/Source/Runtime/AVEncoder/Private/Decoders/vdecmpeg4/M4MotionVectorMgr.cpp