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/**
* 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
*/
#ifndef AVFILTER_MOTION_ESTIMATION_H
#define AVFILTER_MOTION_ESTIMATION_H
#include "libavutil/avutil.h"
#define AV_ME_METHOD_ESA 1
#define AV_ME_METHOD_TSS 2
#define AV_ME_METHOD_TDLS 3
#define AV_ME_METHOD_NTSS 4
#define AV_ME_METHOD_FSS 5
#define AV_ME_METHOD_DS 6
#define AV_ME_METHOD_HEXBS 7
#define AV_ME_METHOD_EPZS 8
#define AV_ME_METHOD_UMH 9
typedef struct AVMotionEstPredictor {
int mvs[10][2];
int nb;
} AVMotionEstPredictor;
typedef struct AVMotionEstContext {
uint8_t *data_cur, *data_ref;
int linesize;
int mb_size;
int search_param;
int width;
int height;
int x_min;
int x_max;
int y_min;
int y_max;
int pred_x; ///< median predictor x
int pred_y; ///< median predictor y
AVMotionEstPredictor preds[2];
uint64_t (*get_cost)(struct AVMotionEstContext *me_ctx, int x_mb, int y_mb,
int mv_x, int mv_y);
} AVMotionEstContext;
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);
#endif /* AVFILTER_MOTION_ESTIMATION_H */
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