uvg266/src/inter.h
2021-11-22 21:50:40 +02:00

107 lines
3.9 KiB
C

#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"
extern const int8_t kvz_g_imv_to_prec[4];
typedef struct {
mv_t mv[2][2];
uint16_t mer[2];
uint8_t dir;
uint8_t ref[2]; // index to L0/L1
} inter_merge_cand_t;
void kvz_change_precision(int src, int dst, mv_t* hor, mv_t* ver);
void kvz_change_precision_vector2d(int src, int dst, vector2d_t* mv);
void kvz_round_precision(int src, int dst, mv_t* hor, mv_t* ver);
void kvz_round_precision_vector2d(int src, int dst, vector2d_t* mv);
void kvz_inter_recon_cu(const encoder_state_t * const state,
lcu_t *lcu,
int32_t x,
int32_t y,
int32_t width,
bool predict_luma,
bool predict_chroma);
void kvz_inter_pred_pu(const encoder_state_t * const state,
lcu_t *lcu,
int32_t x,
int32_t y,
int32_t width,
bool predict_luma,
bool predict_chroma,
int i_pu);
void kvz_hmvp_add_mv(const encoder_state_t* const state, uint32_t pic_x, uint32_t pic_y, uint32_t block_width, uint32_t block_height, cu_info_t* cu);
void kvz_inter_recon_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,
mv_t mv_param[2][2],
lcu_t* lcu,
bool predict_luma,
bool predict_chroma);
void kvz_inter_get_mv_cand(const encoder_state_t * const state,
int32_t x,
int32_t y,
int32_t width,
int32_t height,
mv_t mv_cand[2][2],
cu_info_t* cur_cu,
lcu_t *lcu,
int8_t reflist);
void kvz_inter_get_mv_cand_cua(const encoder_state_t * const state,
int32_t x,
int32_t y,
int32_t width,
int32_t height,
mv_t mv_cand[2][2],
const cu_info_t* cur_cu,
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