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109 lines
3.6 KiB
C
109 lines
3.6 KiB
C
#ifndef INTER_H_
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#define INTER_H_
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/*****************************************************************************
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* This file is part of uvg266 VVC encoder.
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*
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* Copyright (c) 2021, Tampere University, ITU/ISO/IEC, project contributors
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* * Neither the name of the Tampere University or ITU/ISO/IEC nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
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****************************************************************************/
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/**
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* \ingroup Reconstruction
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* \file
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* Inter prediction.
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*/
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#include "cu.h"
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#include "encoderstate.h"
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#include "global.h" // IWYU pragma: keep
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#include "image.h"
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#include "uvg266.h"
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extern const int8_t uvg_g_imv_to_prec[4];
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typedef struct {
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mv_t mv[2][2];
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uint16_t mer[2];
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uint8_t dir;
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uint8_t ref[2]; // index to L0/L1
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} inter_merge_cand_t;
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void uvg_change_precision(int src, int dst, mv_t* hor, mv_t* ver);
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void uvg_change_precision_vector2d(int src, int dst, vector2d_t* mv);
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void uvg_round_precision(int src, int dst, mv_t* hor, mv_t* ver);
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void uvg_round_precision_vector2d(int src, int dst, vector2d_t* mv);
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void uvg_inter_recon_cu(
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const encoder_state_t * const state,
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lcu_t *lcu,
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bool predict_luma,
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bool predict_chroma,
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const cu_loc_t* const cu_loc);
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void uvg_inter_pred_pu(
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const encoder_state_t * const state,
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lcu_t *lcu,
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bool predict_luma,
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bool predict_chroma,
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const cu_loc_t* const cu_loc);
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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);
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void uvg_inter_recon_bipred(
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const encoder_state_t * const state,
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const uvg_picture * ref1,
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const uvg_picture * ref2,
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mv_t mv_param[2][2],
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lcu_t* lcu,
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bool predict_luma,
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bool predict_chroma,
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const cu_loc_t* const cu_loc);
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void uvg_inter_get_mv_cand(
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const encoder_state_t * const state,
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mv_t mv_cand[2][2],
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const cu_info_t* cur_cu,
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lcu_t *lcu,
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int8_t reflist,
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const cu_loc_t* const cu_loc);
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void uvg_inter_get_mv_cand_cua(
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const encoder_state_t * const state,
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mv_t mv_cand[2][2],
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const cu_info_t* cur_cu,
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int8_t reflist,
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const cu_loc_t* const cu_loc);
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uint8_t uvg_inter_get_merge_cand(
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const encoder_state_t * const state,
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const cu_loc_t* const cu_loc,
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inter_merge_cand_t mv_cand[MRG_MAX_NUM_CANDS],
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lcu_t *lcu);
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#endif
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