#include <stdint.h>
#include "avcodec.h"
#include "hpeldsp.h"
#include "me_cmp.h"
#include "qpeldsp.h"

Data Structures
struct	MotionEstContext
	Motion estimation context. More...

Macros
#define	MAX_MV 4096

#define	MAX_DMV (2*MAX_MV)

#define	ME_MAP_SIZE 64

#define	FF_ME_ZERO 0

#define	FF_ME_EPZS 1

#define	FF_ME_XONE 2

Functions
int	ff_me_init (MotionEstContext c, struct AVCodecContext avctx, const struct MECmpContext *mecc, int mpvenc)
	Performs one-time initialization of the MotionEstContext.

void	ff_me_init_pic (MPVEncContext *s)

void	ff_estimate_p_frame_motion (MPVEncContext *s, int mb_x, int mb_y)

void	ff_estimate_b_frame_motion (MPVEncContext *s, int mb_x, int mb_y)

int	ff_pre_estimate_p_frame_motion (MPVEncContext *s, int mb_x, int mb_y)

int	ff_epzs_motion_search (MPVEncContext s, int mx_ptr, int my_ptr, int P[10][2], int src_index, int ref_index, const int16_t(last_mv)[2], int ref_mv_scale, int size, int h)

int	ff_get_mb_score (MPVEncContext *s, int mx, int my, int src_index, int ref_index, int size, int h, int add_rate)

int	ff_get_best_fcode (MPVMainEncContext m, const int16_t(mv_table)[2], int type)

void	ff_fix_long_p_mvs (MPVEncContext *s, int type)

void	ff_fix_long_mvs (MPVEncContext s, uint8_t field_select_table, int field_select, int16_t(*mv_table)[2], int f_code, int type, int truncate)

Macro Definition Documentation

◆ MAX_MV

#define MAX_MV 4096

Definition at line 37 of file motion_est.h.

Referenced by encode_init(), encode_q_branch(), get_limits(), mpeg4_encode_init_static(), mpv_encode_defaults(), and mpv_encode_init_static().

◆ MAX_DMV

#define MAX_DMV (2*MAX_MV)

Definition at line 39 of file motion_est.h.

Referenced by check_bidir_mv(), direct_search(), encode_q_branch(), estimate_motion_b(), ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), ff_h263_get_mv_penalty(), ff_pre_estimate_p_frame_motion(), and init_mv_penalty().

◆ ME_MAP_SIZE

#define ME_MAP_SIZE 64

Definition at line 40 of file motion_est.h.

Referenced by ff_me_init(), hpel_motion_search(), qpel_motion_search(), sab_diamond_search(), sad_hpel_motion_search(), small_diamond_search(), and update_map_generation().

◆ FF_ME_ZERO

#define FF_ME_ZERO 0

Definition at line 42 of file motion_est.h.

Referenced by estimate_motion_b(), ff_estimate_p_frame_motion(), and ff_get_best_fcode().

◆ FF_ME_EPZS

#define FF_ME_EPZS 1

Definition at line 43 of file motion_est.h.

◆ FF_ME_XONE

#define FF_ME_XONE 2

Definition at line 44 of file motion_est.h.

Function Documentation

◆ ff_me_init()

int ff_me_init	(	MotionEstContext *	c,
		struct AVCodecContext *	avctx,
		const struct MECmpContext *	mecc,
		int	mpvenc )

Performs one-time initialization of the MotionEstContext.

◆ ff_me_init_pic()

void ff_me_init_pic ( MPVEncContext * s )

Definition at line 371 of file motion_est.c.

Referenced by encode_frame(), encode_picture(), and svq1_encode_plane().

◆ ff_estimate_p_frame_motion()

void ff_estimate_p_frame_motion	(	MPVEncContext *	s,
		int	mb_x,
		int	mb_y )

< the variance of the block (sum of squared (p[y][x]-average))

< sum of squared differences with the estimated motion vector

Definition at line 888 of file motion_est.c.

Referenced by estimate_motion_thread(), and svq1_encode_plane().

◆ ff_estimate_b_frame_motion()

void ff_estimate_b_frame_motion	(	MPVEncContext *	s,
		int	mb_x,
		int	mb_y )

Definition at line 1487 of file motion_est.c.

Referenced by estimate_motion_thread().

◆ ff_pre_estimate_p_frame_motion()

int ff_pre_estimate_p_frame_motion	(	MPVEncContext *	s,
		int	mb_x,
		int	mb_y )

Definition at line 1063 of file motion_est.c.

Referenced by pre_estimate_motion_thread().

◆ ff_epzs_motion_search()

int ff_epzs_motion_search	(	MPVEncContext *	s,
		int *	mx_ptr,
		int *	my_ptr,
		int	P[10][2],
		int	src_index,
		int	ref_index,
		const int16_t(*)	last_mv[2],
		int	ref_mv_scale,
		int	size,
		int	h )

Definition at line 977 of file motion_est_template.c.

Referenced by direct_search(), encode_q_branch(), estimate_motion_b(), ff_estimate_p_frame_motion(), and ff_pre_estimate_p_frame_motion().

◆ ff_get_mb_score()

int ff_get_mb_score	(	MPVEncContext *	s,
		int	mx,
		int	my,
		int	src_index,
		int	ref_index,
		int	size,
		int	h,
		int	add_rate )

Definition at line 192 of file motion_est_template.c.

Referenced by encode_q_branch().

◆ ff_get_best_fcode()

int ff_get_best_fcode	(	MPVMainEncContext *	m,
		const int16_t(*)	mv_table[2],
		int	type )

Definition at line 1599 of file motion_est.c.

Referenced by encode_picture().

◆ ff_fix_long_p_mvs()

void ff_fix_long_p_mvs	(	MPVEncContext *	s,
		int	type )

Definition at line 1655 of file motion_est.c.

Referenced by encode_picture(), and svq1_encode_plane().

◆ ff_fix_long_mvs()

void ff_fix_long_mvs	(	MPVEncContext *const	s,
		uint8_t *	field_select_table,
		int	field_select,
		int16_t(*)	mv_table[2],
		int	f_code,
		int	type,
		int	truncate )

Parameters

truncate 1 for truncation, 0 for using intra

Definition at line 1704 of file motion_est.c.