uvg266/src/inter.h

109 lines
3.6 KiB
C

#ifndef INTER_H_
#define INTER_H_
/*****************************************************************************
* This file is part of uvg266 VVC encoder.
*
* Copyright (c) 2021, Tampere University, ITU/ISO/IEC, project contributors
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* * Neither the name of the Tampere University or ITU/ISO/IEC nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
****************************************************************************/
/**
* \ingroup Reconstruction
* \file
* Inter prediction.
*/
#include "cu.h"
#include "encoderstate.h"
#include "global.h" // IWYU pragma: keep
#include "image.h"
#include "uvg266.h"
extern const int8_t uvg_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 uvg_change_precision(int src, int dst, mv_t* hor, mv_t* ver);
void uvg_change_precision_vector2d(int src, int dst, vector2d_t* mv);
void uvg_round_precision(int src, int dst, mv_t* hor, mv_t* ver);
void uvg_round_precision_vector2d(int src, int dst, vector2d_t* mv);
void uvg_inter_recon_cu(
const encoder_state_t * const state,
lcu_t *lcu,
bool predict_luma,
bool predict_chroma,
const cu_loc_t* const cu_loc);
void uvg_inter_pred_pu(
const encoder_state_t * const state,
lcu_t *lcu,
bool predict_luma,
bool predict_chroma,
const cu_loc_t* const cu_loc);
void uvg_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, const cu_info_t* cu);
void uvg_inter_recon_bipred(
const encoder_state_t * const state,
const uvg_picture * ref1,
const uvg_picture * ref2,
mv_t mv_param[2][2],
lcu_t* lcu,
bool predict_luma,
bool predict_chroma,
const cu_loc_t* const cu_loc);
void uvg_inter_get_mv_cand(
const encoder_state_t * const state,
mv_t mv_cand[2][2],
const cu_info_t* cur_cu,
lcu_t *lcu,
int8_t reflist,
const cu_loc_t* const cu_loc);
void uvg_inter_get_mv_cand_cua(
const encoder_state_t * const state,
mv_t mv_cand[2][2],
const cu_info_t* cur_cu,
int8_t reflist,
const cu_loc_t* const cu_loc);
uint8_t uvg_inter_get_merge_cand(
const encoder_state_t * const state,
const cu_loc_t* const cu_loc,
inter_merge_cand_t mv_cand[MRG_MAX_NUM_CANDS],
lcu_t *lcu);
#endif