path: root/libavfilter/motion_estimation.h (plain)
blob: 6ae29dd9e3405e79b30d7702192350ec39145efa

1	/**
2	* Copyright (c) 2016 Davinder Singh (DSM_) <ds.mudhar<@gmail.com>
3	*
4	* This file is part of FFmpeg.
5	*
6	* FFmpeg is free software; you can redistribute it and/or
7	* modify it under the terms of the GNU Lesser General Public
8	* License as published by the Free Software Foundation; either
9	* version 2.1 of the License, or (at your option) any later version.
10	*
11	* FFmpeg is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14	* Lesser General Public License for more details.
15	*
16	* You should have received a copy of the GNU Lesser General Public
17	* License along with FFmpeg; if not, write to the Free Software
18	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19	*/
20
21	#ifndef AVFILTER_MOTION_ESTIMATION_H
22	#define AVFILTER_MOTION_ESTIMATION_H
23
24	#include "libavutil/avutil.h"
25
26	#define AV_ME_METHOD_ESA 1
27	#define AV_ME_METHOD_TSS 2
28	#define AV_ME_METHOD_TDLS 3
29	#define AV_ME_METHOD_NTSS 4
30	#define AV_ME_METHOD_FSS 5
31	#define AV_ME_METHOD_DS 6
32	#define AV_ME_METHOD_HEXBS 7
33	#define AV_ME_METHOD_EPZS 8
34	#define AV_ME_METHOD_UMH 9
35
36	typedef struct AVMotionEstPredictor {
37	int mvs[10][2];
38	int nb;
39	} AVMotionEstPredictor;
40
41	typedef struct AVMotionEstContext {
42	uint8_t *data_cur, *data_ref;
43	int linesize;
44
45	int mb_size;
46	int search_param;
47
48	int width;
49	int height;
50
51	int x_min;
52	int x_max;
53	int y_min;
54	int y_max;
55
56	int pred_x; ///< median predictor x
57	int pred_y; ///< median predictor y
58	AVMotionEstPredictor preds[2];
59
60	uint64_t (*get_cost)(struct AVMotionEstContext *me_ctx, int x_mb, int y_mb,
61	int mv_x, int mv_y);
62	} AVMotionEstContext;
63
64	void ff_me_init_context(AVMotionEstContext *me_ctx, int mb_size, int search_param,
65	int width, int height, int x_min, int x_max, int y_min, int y_max);
66
67	uint64_t ff_me_cmp_sad(AVMotionEstContext *me_ctx, int x_mb, int y_mb, int x_mv, int y_mv);
68
69	uint64_t ff_me_search_esa(AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv);
70
71	uint64_t ff_me_search_tss(AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv);
72
73	uint64_t ff_me_search_tdls(AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv);
74
75	uint64_t ff_me_search_ntss(AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv);
76
77	uint64_t ff_me_search_fss(AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv);
78
79	uint64_t ff_me_search_ds(AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv);
80
81	uint64_t ff_me_search_hexbs(AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv);
82
83	uint64_t ff_me_search_epzs(AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv);
84
85	uint64_t ff_me_search_umh(AVMotionEstContext *me_ctx, int x_mb, int y_mb, int *mv);
86
87	#endif /* AVFILTER_MOTION_ESTIMATION_H */
88