#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
static int	ff_h263_round_chroma (int x)

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

void	ff_me_init_pic (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, const 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, const int16_t(mv_table)[2], int type)

void	ff_fix_long_p_mvs (struct MpegEncContext *s, int type)

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 36 of file motion_est.h.

◆ MAX_DMV

#define MAX_DMV (2*MAX_MV)

Definition at line 38 of file motion_est.h.

◆ ME_MAP_SIZE

#define ME_MAP_SIZE 64

Definition at line 39 of file motion_est.h.

◆ FF_ME_ZERO

#define FF_ME_ZERO 0

Definition at line 41 of file motion_est.h.

◆ FF_ME_EPZS

#define FF_ME_EPZS 1

Definition at line 42 of file motion_est.h.

◆ FF_ME_XONE

#define FF_ME_XONE 2

Definition at line 43 of file motion_est.h.

Function Documentation

◆ ff_h263_round_chroma()

static int ff_h263_round_chroma ( int x )

inlinestatic

Definition at line 107 of file motion_est.h.

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

◆ 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 ( struct MpegEncContext * s )

Definition at line 370 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	(	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 901 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	(	struct MpegEncContext *	s,
		int	mb_x,
		int	mb_y
	)

Definition at line 1502 of file motion_est.c.

Referenced by estimate_motion_thread().

◆ 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 1076 of file motion_est.c.

Referenced by 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,
		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	(	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().

◆ ff_get_best_fcode()

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

Definition at line 1614 of file motion_est.c.

Referenced by encode_picture().

◆ ff_fix_long_p_mvs()

void ff_fix_long_p_mvs	(	struct MpegEncContext *	s,
		int	type
	)

Definition at line 1667 of file motion_est.c.

Referenced by encode_picture(), 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 1716 of file motion_est.c.