motion_estimation.c File Reference

#include "libavutil/common.h"
#include "motion_estimation.h"

Go to the source code of this file.

Macros
#define	COST_MV(x, y)
#define	COST_P_MV(x, y)

Functions
void	ff_me_init_context (AVMotionEstContext *me_ctx, int mb_size, int search_param, int width, int height, int x_min, int x_max, int y_min, int y_max)
uint64_t	ff_me_cmp_sad (AVMotionEstContext *me_ctx, int x_mb, int y_mb, int x_mv, int y_mv)
uint64_t	ff_me_search_esa (AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv)
uint64_t	ff_me_search_tss (AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv)
uint64_t	ff_me_search_tdls (AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv)
uint64_t	ff_me_search_ntss (AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv)
uint64_t	ff_me_search_fss (AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv)
uint64_t	ff_me_search_ds (AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv)
uint64_t	ff_me_search_hexbs (AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv)
uint64_t	ff_me_search_epzs (AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv)
uint64_t	ff_me_search_umh (AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv)

Variables
static const int8_t	sqr1 [8][2] = {{ 0,-1}, { 0, 1}, {-1, 0}, { 1, 0}, {-1,-1}, {-1, 1}, { 1,-1}, { 1, 1}}
	Copyright (c) 2016 Davinder Singh (DSM_) <ds.mudhar<@gmail.com> More...
static const int8_t	dia1 [4][2] = {{-1, 0}, { 0,-1}, { 1, 0}, { 0, 1}}
static const int8_t	dia2 [8][2] = {{-2, 0}, {-1,-1}, { 0,-2}, { 1,-1}, { 2, 0}, { 1, 1}, { 0, 2}, {-1, 1}}
static const int8_t	hex2 [6][2] = {{-2, 0}, {-1,-2}, {-1, 2}, { 1,-2}, { 1, 2}, { 2, 0}}
static const int8_t	hex4 [16][2]

Macro Definition Documentation

COST_MV

#define COST_MV	(		x,
			y
	)

Value:

do {\
    cost = me_ctx->get_cost(me_ctx, x_mb, y_mb, x, y);\
    if (cost < cost_min) {\
        cost_min = cost;\
        mv[0] = x;\
        mv[1] = y;\
    }\
} while(0)

Definition at line 32 of file motion_estimation.c.

COST_P_MV

#define COST_P_MV	(		x,
			y
	)

Value:

if (x >= x_min && x <= x_max && y >= y_min && y <= y_max)\
    COST_MV(x, y);

Definition at line 42 of file motion_estimation.c.

Function Documentation

ff_me_init_context()

void ff_me_init_context	(	AVMotionEstContext *	me_ctx,
		int	mb_size,
		int	search_param,
		int	width,
		int	height,
		int	x_min,
		int	x_max,
		int	y_min,
		int	y_max
	)

Definition at line 46 of file motion_estimation.c.

Referenced by config_input().

ff_me_cmp_sad()

uint64_t ff_me_cmp_sad	(	AVMotionEstContext *	me_ctx,
		int	x_mb,
		int	y_mb,
		int	x_mv,
		int	y_mv
	)

Definition at line 60 of file motion_estimation.c.

Referenced by ff_me_init_context().

ff_me_search_esa()

uint64_t ff_me_search_esa	(	AVMotionEstContext *	me_ctx,
		int	x_mb,
		int	y_mb,
		int *	mv
	)

Definition at line 78 of file motion_estimation.c.

Referenced by search_mv().

ff_me_search_tss()

uint64_t ff_me_search_tss	(	AVMotionEstContext *	me_ctx,
		int	x_mb,
		int	y_mb,
		int *	mv
	)

Definition at line 97 of file motion_estimation.c.

Referenced by search_mv().

ff_me_search_tdls()

uint64_t ff_me_search_tdls	(	AVMotionEstContext *	me_ctx,
		int	x_mb,
		int	y_mb,
		int *	mv
	)

Definition at line 128 of file motion_estimation.c.

Referenced by search_mv().

ff_me_search_ntss()

uint64_t ff_me_search_ntss	(	AVMotionEstContext *	me_ctx,
		int	x_mb,
		int	y_mb,
		int *	mv
	)

Definition at line 160 of file motion_estimation.c.

Referenced by search_mv().

ff_me_search_fss()

uint64_t ff_me_search_fss	(	AVMotionEstContext *	me_ctx,
		int	x_mb,
		int	y_mb,
		int *	mv
	)

Definition at line 213 of file motion_estimation.c.

Referenced by search_mv().

ff_me_search_ds()

uint64_t ff_me_search_ds	(	AVMotionEstContext *	me_ctx,
		int	x_mb,
		int	y_mb,
		int *	mv
	)

Definition at line 245 of file motion_estimation.c.

Referenced by search_mv(), and var_size_bme().

ff_me_search_hexbs()

uint64_t ff_me_search_hexbs	(	AVMotionEstContext *	me_ctx,
		int	x_mb,
		int	y_mb,
		int *	mv
	)

Definition at line 300 of file motion_estimation.c.

Referenced by search_mv().

ff_me_search_epzs()

uint64_t ff_me_search_epzs	(	AVMotionEstContext *	me_ctx,
		int	x_mb,
		int	y_mb,
		int *	mv
	)

Definition at line 333 of file motion_estimation.c.

Referenced by filter_frame(), and search_mv().

ff_me_search_umh()

uint64_t ff_me_search_umh	(	AVMotionEstContext *	me_ctx,
		int	x_mb,
		int	y_mb,
		int *	mv
	)

Definition at line 374 of file motion_estimation.c.

Referenced by filter_frame(), and search_mv().

Variable Documentation

sqr1

const int8_t sqr1[8][2] = {{ 0,-1}, { 0, 1}, {-1, 0}, { 1, 0}, {-1,-1}, {-1, 1}, { 1,-1}, { 1, 1}}

static

Copyright (c) 2016 Davinder Singh (DSM_) <ds.mudhar<@gmail.com>

This file is part of FFmpeg.

FFmpeg is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

FFmpeg is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with FFmpeg; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

Definition at line 24 of file motion_estimation.c.

Referenced by ff_me_search_fss(), ff_me_search_ntss(), and ff_me_search_tss().

dia1

const int8_t dia1[4][2] = {{-1, 0}, { 0,-1}, { 1, 0}, { 0, 1}}

static

Definition at line 25 of file motion_estimation.c.

Referenced by ff_me_search_ds(), ff_me_search_epzs(), ff_me_search_hexbs(), ff_me_search_tdls(), and ff_me_search_umh().

dia2

const int8_t dia2[8][2] = {{-2, 0}, {-1,-1}, { 0,-2}, { 1,-1}, { 2, 0}, { 1, 1}, { 0, 2}, {-1, 1}}

static

Definition at line 26 of file motion_estimation.c.

Referenced by ff_me_search_ds().

hex2

const int8_t hex2[6][2] = {{-2, 0}, {-1,-2}, {-1, 2}, { 1,-2}, { 1, 2}, { 2, 0}}

static

Definition at line 27 of file motion_estimation.c.

Referenced by ff_me_search_hexbs(), and ff_me_search_umh().

hex4

const int8_t hex4[16][2]

static

Initial value:

= {{-4,-2}, {-4,-1}, {-4, 0}, {-4, 1}, {-4, 2},
                                   { 4,-2}, { 4,-1}, { 4, 0}, { 4, 1}, { 4, 2},
                                   {-2, 3}, { 0, 4}, { 2, 3}, {-2,-3}, { 0,-4}, { 2,-3}}

Definition at line 28 of file motion_estimation.c.

Referenced by ff_me_search_umh().