motion_est.h File Reference

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

Go to the source code of this file.

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

Macros
#define	MAX_MV   4096

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)

Variables
const uint8_t	ff_aic_dc_scale_table [32]
const uint8_t	ff_h263_chroma_qscale_table [32]

Macro Definition Documentation

#define MAX_MV   4096

Definition at line 32 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_get_best_fcode(), ff_mpeg1_encode_init(), ff_pre_estimate_p_frame_motion(), get_limits(), init_mv_penalty_and_fcode(), and mpv_encode_defaults().

Function Documentation

static int ff_h263_round_chroma ( int  x )

inlinestatic

Definition at line 91 of file motion_est.h.

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

int ff_init_me

(

struct MpegEncContext *

s

)

Definition at line 306 of file motion_est.c.

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

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 889 of file motion_est.c.

Referenced by estimate_motion_thread(), and svq1_encode_plane().

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

Definition at line 1513 of file motion_est.c.

Referenced by estimate_motion_thread().

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

Definition at line 1074 of file motion_est.c.

Referenced by pre_estimate_motion_thread().

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 974 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().

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 191 of file motion_est_template.c.

Referenced by encode_q_branch().

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

Definition at line 1621 of file motion_est.c.

Referenced by encode_picture().

void ff_fix_long_p_mvs

(

struct MpegEncContext *

s

)

Definition at line 1674 of file motion_est.c.

Referenced by encode_picture(), and svq1_encode_plane().

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 1724 of file motion_est.c.

Referenced by encode_picture(), and svq1_encode_plane().

Variable Documentation

const uint8_t ff_aic_dc_scale_table[32]

Definition at line 248 of file h263data.h.

Referenced by ff_flv_encode_picture_header(), ff_h263_decode_picture_header(), ff_h263_encode_init(), ff_rv20_encode_picture_header(), and rv10_decode_packet().

const uint8_t ff_h263_chroma_qscale_table[32]

Definition at line 262 of file h263data.h.

Referenced by ff_h263_decode_picture_header(), ff_mpv_encode_init(), and rv10_decode_packet().