mv-search.h File Reference

array definition for motion search More...

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Data Structures
struct	SearchWindow
Functions
void	get_neighbors (Macroblock *currMB, PixelPos *block_a, PixelPos *block_b, PixelPos *block_c, PixelPos *block_d, int mb_x, int mb_y, int blockshape_x)
void	set_access_method (int *access_method, MotionVector *blk, int min_x, int min_y, int max_x, int max_y)
void	SetMotionVectorPredictor (Macroblock *currMB, short pmv[2], char **refPic, short ***tmp_mv, short ref_frame, int list, int block_x, int block_y, int blockshape_x, int blockshape_y)
void	GetMotionVectorPredictor (Macroblock *currMB, PixelPos *block_a, PixelPos *block_b, PixelPos *block_c, short pmv[2], char **refPic, short ***tmp_mv, short ref_frame, int mb_x, int mb_y, int bx, int by)
void	PrepareMEParams (int apply_weights, int ChromaMEEnable, int list, int ref)
void	PrepareBiPredMEParams (int apply_weights, int ChromaMEEnable, int list, int list_offset, int ref)
void	Init_Motion_Search_Module (void)
void	Clear_Motion_Search_Module (void)
Variables
int *	mvbits
int *	byte_abs
SearchWindow	searchrange
int(*	BiPredME )(Macroblock *, imgpel *, short, int, char ***, short ****, int, int, int, MotionVector *, MotionVector *, MotionVector *, MotionVector *, int, int, int, int, int)
int(*	SubPelBiPredME )(imgpel *orig_pic, short ref, int list, int pic_pix_x, int pic_pix_y, int blocktype, MotionVector *pred_mv1, MotionVector *pred_mv2, MotionVector *mv1, MotionVector *mv2, int search_pos2, int search_pos4, int min_mcost, int *lambda_factor, int apply_weights)
int(*	SubPelME )(imgpel *orig_pic, short ref, int list, int list_offset, int pic_pix_x, int pic_pix_y, int blocktype, MotionVector *pred_mv, MotionVector *mv, int search_pos2, int search_pos4, int min_mcost, int *lambda_factor, int apply_weights)

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Detailed Description

array definition for motion search

Author:

Inge Lille-Langoy <inge.lille-langoy@telenor.com>
Alexis Michael Tourapis <alexis.tourapis@dolby.com>

Definition in file mv-search.h.

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Function Documentation

void Clear_Motion_Search_Module

(

void

)

Free memory used by motion search.

Definition at line 623 of file mv-search.c.

Referenced by free_encoder_memory().

void get_neighbors	(	Macroblock *	currMB,
		PixelPos *	block_a,
		PixelPos *	block_b,
		PixelPos *	block_c,
		PixelPos *	block_d,
		int	mb_x,
		int	mb_y,
		int	blockshape_x
	)

Get current block spatial neighbors.

Definition at line 247 of file mv-search.c.

References pix_pos::available, get4x4Neighbour(), and ImageParameters::mb_size.

Referenced by BiPredBlockMotionSearch(), BlockMotionSearch(), EPZSBiPredBlockMotionSearch(), EPZSPelBlockMotionSearch(), FindSkipModeMotionVector(), Get_Direct_Motion_Vectors(), and writeMotionVector8x8().

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void GetMotionVectorPredictor	(	Macroblock *	currMB,
		PixelPos *	block_a,
		PixelPos *	block_b,
		PixelPos *	block_c,
		short	pmv[2],
		char **	refPic,
		short ***	tmp_mv,
		short	ref_frame,
		int	mb_x,
		int	mb_y,
		int	bx,
		int	by
	)

Get motion vector predictor.

Definition at line 296 of file mv-search.c.

References pix_pos::available, pix_pos::mb_addr, ImageParameters::mb_data, macroblock::mb_field, ImageParameters::MbaffFrameFlag, pix_pos::pos_x, and pix_pos::pos_y.

Referenced by BiPredBlockMotionSearch(), BlockMotionSearch(), FindSkipModeMotionVector(), Get_Direct_Motion_Vectors(), and writeMotionVector8x8().

void Init_Motion_Search_Module

(

void

)

Initialize the motion search.

Definition at line 469 of file mv-search.c.

References InputParameters::ChromaMEEnable, computeBiPredSAD1(), computeBiPredSAD2(), computeBiPredSATD1(), computeBiPredSATD2(), computeBiPredSSE1(), computeBiPredSSE2(), computeSAD(), computeSADWP(), computeSATD(), computeSATDWP(), computeSSE(), computeSSEWP(), F_PEL, get_mem4Dint(), H_PEL, init_ME_engine(), InitializeFastFullIntegerSearch(), InputParameters::IntraProfile, ImageParameters::max_imgpel_value_comp, ImageParameters::max_num_references, InputParameters::MEErrorMetric, no_mem_exit(), Q_PEL, InputParameters::search_range, and InputParameters::SearchMode.

Referenced by init_encoder().

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void PrepareBiPredMEParams	(	int	apply_weights,
		int	ChromaMEEnable,
		int	list,
		int	list_offset,
		int	ref
	)

Prepare Motion Estimation parameters for bipred list ME.

Definition at line 185 of file mv-search.c.

Referenced by BiPredBlockMotionSearch().

void PrepareMEParams	(	int	apply_weights,
		int	ChromaMEEnable,
		int	list,
		int	ref
	)

Prepare Motion Estimation parameters for single list ME.

Definition at line 162 of file mv-search.c.

Referenced by BlockMotionSearch().

void set_access_method	(	int *	access_method,
		MotionVector *	blk,
		int	min_x,
		int	min_y,
		int	max_x,
		int	max_y
	)

Set ME access method.

Definition at line 100 of file mv-search.c.

References FAST_ACCESS, and UMV_ACCESS.