#ifndef INTER_H_
#define INTER_H_
/*****************************************************************************
 * This file is part of Kvazaar HEVC encoder.
 *
 * Copyright (C) 2013-2015 Tampere University of Technology and others (see
 * COPYING file).
 *
 * Kvazaar 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.
 *
 * Kvazaar 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 General Public License along
 * with Kvazaar.  If not, see <http://www.gnu.org/licenses/>.
 ****************************************************************************/

/**
 * \ingroup Reconstruction
 * \file
 * Inter prediction.
 */

#include "cu.h"
#include "encoderstate.h"
#include "global.h" // IWYU pragma: keep
#include "image.h"
#include "kvazaar.h"


typedef struct {
  uint8_t dir;
  uint8_t ref[2];
  int16_t mv[2][2];

} inter_merge_cand_t;


void kvz_inter_recon_lcu(const encoder_state_t * const state,
                         const kvz_picture * ref,
                         int32_t xpos,
                         int32_t ypos,
                         int32_t width,
                         int32_t height,
                         const int16_t mv_param[2],
                         lcu_t* lcu,
                         hi_prec_buf_t *hi_prec_out);

void kvz_inter_recon_lcu_bipred(const encoder_state_t * const state,
                                const kvz_picture * ref1,
                                const kvz_picture * ref2,
                                int32_t xpos,
                                int32_t ypos,
                                int32_t width,
                                int32_t height,
                                int16_t mv_param[2][2],
                                lcu_t* lcu);

void kvz_inter_get_spatial_merge_candidates(int32_t x,
                                            int32_t y,
                                            int32_t width,
                                            int32_t height,
                                            cu_info_t **b0,
                                            cu_info_t **b1,
                                            cu_info_t **b2,
                                            cu_info_t **a0,
                                            cu_info_t **a1,
                                            lcu_t *lcu);

void kvz_inter_get_mv_cand(const encoder_state_t * const state,
                           int32_t x,
                           int32_t y,
                           int32_t width,
                           int32_t height,
                           int16_t mv_cand[2][2],
                           cu_info_t* cur_cu,
                           lcu_t *lcu,
                           int8_t reflist);

uint8_t kvz_inter_get_merge_cand(const encoder_state_t * const state,
                                 int32_t x, int32_t y,
                                 int32_t width, int32_t height,
                                 bool use_a1, bool use_b1,
                                 inter_merge_cand_t mv_cand[MRG_MAX_NUM_CANDS],
                                 lcu_t *lcu);
#endif