me_fullfast.c File Reference

Motion Estimation using Full Search Fast. More...

#include "contributors.h"
#include <limits.h>
#include "global.h"
#include "image.h"
#include "memalloc.h"
#include "mb_access.h"
#include "refbuf.h"
#include "me_distortion.h"
#include "me_fullsearch.h"
#include "me_fullfast.h"
#include "conformance.h"
#include "mv_search.h"

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Defines
#define	ADD_UP_BLOCKS()   _o=*_bo; _i=*_bi; _j=*_bj; for(pos=0;pos<max_pos;pos++) _o[pos] = _i[pos] + _j[pos];
#define	INCREMENT(inc)   _bo+=inc; _bi+=inc; _bj+=inc;
Functions
void	InitializeFastFullIntegerSearch (ImageParameters *p_Img, InputParameters *p_Inp)
void	ClearFastFullIntegerSearch (ImageParameters *p_Img)
void	ResetFastFullIntegerSearch (ImageParameters *p_Img)
void	SetupLargerBlocks (MEFullFast *p_ffast_me, int list, int refindex, int max_pos)
void	SetupFastFullPelSearch (Macroblock *currMB, MEBlock *mv_block, int list)
int	FastFullPelBlockMotionSearch (Macroblock *currMB, MotionVector *pred_mv, MEBlock *mv_block, int min_mcost, int lambda_factor)

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Detailed Description

Motion Estimation using Full Search Fast.

Author:

Main contributors (see contributors.h for copyright, address and affiliation details)

• Alexis Michael Tourapis <alexismt@ieee.org>

Definition in file me_fullfast.c.

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Function Documentation

void ClearFastFullIntegerSearch

(

ImageParameters *

p_Img

)

function for deleting the arrays for fast integer motion estimation

Definition at line 135 of file me_fullfast.c.

References img_par::max_num_references.

Referenced by Clear_Motion_Search_Module().

int FastFullPelBlockMotionSearch	(	Macroblock *	currMB,
		MotionVector *	pred_mv,
		MEBlock *	mv_block,
		int	min_mcost,
		int	lambda_factor
	)

Fast Full pixel block motion search.

Definition at line 621 of file me_fullfast.c.

References macroblock::p_Img, and SetupFastFullPelSearch().

Referenced by init_ME_engine().

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void InitializeFastFullIntegerSearch	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp
	)

Full pixel block motion search.

function creating arrays for fast integer motion estimation

Definition at line 48 of file me_fullfast.c.

References img_par::max_num_references, no_mem_exit(), and inp_par_enc::search_range.

Referenced by Init_Motion_Search_Module().

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void ResetFastFullIntegerSearch

(

ImageParameters *

p_Img

)

function resetting flags for fast integer motion estimation (have to be called in start_macroblock())

Definition at line 183 of file me_fullfast.c.

References img_par::max_num_references.

Referenced by start_macroblock().

void SetupFastFullPelSearch	(	Macroblock *	currMB,
		MEBlock *	mv_block,
		int	list
	)

Setup the fast search for an macroblock.

Definition at line 269 of file me_fullfast.c.

References get_neighbors(), img_par::max_imgpel_value, img_par::max_pel_value_comp, img_par::MaxHmvR, img_par::MaxVmvR, img_par::mb_data, macroblock::mbAddrX, storable_picture::motion, pic_motion_params::mv, macroblock::opix_c_y, macroblock::opix_y, macroblock::p_slice, img_par::pCurImg, macroblock::pix_c_x, macroblock::pix_x, pic_motion_params::ref_idx, SetupLargerBlocks(), slice::slice_type, UMVLine4X(), UMVLine8X_chroma(), inp_par_enc::UseWeightedReferenceME, slice::wp_offset, and slice::wp_weight.

Referenced by FastFullPelBlockMotionSearch().

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void SetupLargerBlocks	(	MEFullFast *	p_ffast_me,
		int	list,
		int	refindex,
		int	max_pos
	)

calculation of SAD for larger blocks on the basis of 4x4 blocks

Definition at line 196 of file me_fullfast.c.

Referenced by SetupFastFullPelSearch().