#include <stdint.h>
#include "avcodec.h"
#include "hpeldsp.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
static int	ff_h263_round_chroma (int x)

int	ff_init_me (struct MpegEncContext *s)

void	ff_estimate_p_frame_motion (struct MpegEncContext *s, int mb_x, int mb_y)

void	ff_estimate_b_frame_motion (struct MpegEncContext *s, int mb_x, int mb_y)

int	ff_pre_estimate_p_frame_motion (struct MpegEncContext *s, int mb_x, int mb_y)

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

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

int	ff_get_best_fcode (struct MpegEncContext s, int16_t(mv_table)[2], int type)

void	ff_fix_long_p_mvs (struct MpegEncContext *s)

void	ff_fix_long_mvs (struct MpegEncContext 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 35 of file motion_est.h.

Referenced by ff_get_best_fcode(), ff_mpeg1_encode_init(), get_limits(), init_mv_penalty_and_fcode(), and mpv_encode_defaults().

◆ MAX_DMV

#define MAX_DMV (2*MAX_MV)

Definition at line 37 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_mpeg1_encode_init(), ff_pre_estimate_p_frame_motion(), and init_mv_penalty_and_fcode().

◆ ME_MAP_SIZE

#define ME_MAP_SIZE 64

Definition at line 38 of file motion_est.h.

Referenced by encode_init(), ff_init_me(), hpel_motion_search(), init_duplicate_context(), qpel_motion_search(), sab_diamond_search(), sad_hpel_motion_search(), small_diamond_search(), svq1_encode_init(), and update_map_generation().

◆ FF_ME_ZERO

#define FF_ME_ZERO 0

Definition at line 40 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 41 of file motion_est.h.

◆ FF_ME_XONE

#define FF_ME_XONE 2

Definition at line 42 of file motion_est.h.

Function Documentation

◆ ff_h263_round_chroma()

static int ff_h263_round_chroma ( int x )

inlinestatic

Definition at line 101 of file motion_est.h.

Referenced by chroma_4mv_motion(), chroma_4mv_motion_lowres(), and h263_mv4_search().

◆ ff_init_me()

int ff_init_me ( struct MpegEncContext * s )

Definition at line 306 of file motion_est.c.

Referenced by encode_frame(), encode_picture(), ff_h263_round_chroma(), and svq1_encode_plane().

◆ ff_estimate_p_frame_motion()

void ff_estimate_p_frame_motion	(	struct MpegEncContext *	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 885 of file motion_est.c.

Referenced by estimate_motion_thread(), ff_h263_round_chroma(), and svq1_encode_plane().

◆ ff_estimate_b_frame_motion()

void ff_estimate_b_frame_motion	(	struct MpegEncContext *	s,
		int	mb_x,
		int	mb_y
	)

Definition at line 1490 of file motion_est.c.

Referenced by estimate_motion_thread(), and ff_h263_round_chroma().

◆ ff_pre_estimate_p_frame_motion()

int ff_pre_estimate_p_frame_motion	(	struct MpegEncContext *	s,
		int	mb_x,
		int	mb_y
	)

Definition at line 1061 of file motion_est.c.

Referenced by ff_h263_round_chroma(), and pre_estimate_motion_thread().

◆ ff_epzs_motion_search()

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

Definition at line 976 of file motion_est_template.c.

Referenced by direct_search(), encode_q_branch(), estimate_motion_b(), ff_estimate_p_frame_motion(), ff_h263_round_chroma(), and ff_pre_estimate_p_frame_motion().

◆ ff_get_mb_score()

int ff_get_mb_score	(	struct MpegEncContext *	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(), and ff_h263_round_chroma().

◆ ff_get_best_fcode()

int ff_get_best_fcode	(	struct MpegEncContext *	s,
		int16_t(*)	mv_table[2],
		int	type
	)

Definition at line 1598 of file motion_est.c.

Referenced by encode_picture(), and ff_h263_round_chroma().

◆ ff_fix_long_p_mvs()

void ff_fix_long_p_mvs ( struct MpegEncContext * s )

Definition at line 1651 of file motion_est.c.

Referenced by encode_picture(), ff_h263_round_chroma(), and svq1_encode_plane().

◆ ff_fix_long_mvs()

void ff_fix_long_mvs	(	MpegEncContext *	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 1700 of file motion_est.c.