uvg266/src/search_inter.h

100 lines
3.7 KiB
C

#ifndef SEARCH_INTER_H_
#define SEARCH_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 Compression
* \file
* Inter prediction parameter search.
*/
#include "cu.h"
#include "encoderstate.h"
#include "global.h" // IWYU pragma: keep
#include "inter.h"
#include "uvg266.h"
#define UVG_LUMA_FILTER_TAPS 8
#define UVG_LUMA_FILTER_OFFSET 3
#define UVG_CHROMA_FILTER_TAPS 4
#define UVG_CHROMA_FILTER_OFFSET 1
// Maximum extra width a block needs to filter
// a fractional pixel with positive fractional mv.x and mv.y
#define UVG_EXT_PADDING_LUMA (UVG_LUMA_FILTER_TAPS - 1)
#define UVG_EXT_PADDING_CHROMA (UVG_CHROMA_FILTER_TAPS - 1)
// Maximum block width for extended block
#define UVG_EXT_BLOCK_W_LUMA (LCU_WIDTH + UVG_EXT_PADDING_LUMA)
#define UVG_EXT_BLOCK_W_CHROMA (LCU_WIDTH_C + UVG_EXT_PADDING_CHROMA)
enum hpel_position {
HPEL_POS_HOR = 0,
HPEL_POS_VER = 1,
HPEL_POS_DIA = 2
};
typedef double uvg_mvd_cost_func(const encoder_state_t *state,
int x, int y,
int mv_shift,
mv_t mv_cand[2][2],
inter_merge_cand_t merge_cand[MRG_MAX_NUM_CANDS],
int16_t num_cand,
int32_t ref_idx,
double *bitcost);
void uvg_search_cu_inter(
encoder_state_t * const state,
const cu_loc_t* const cu_loc,
lcu_t *lcu,
double *inter_cost,
double* inter_bitcost);
unsigned uvg_inter_satd_cost(const encoder_state_t* state,
const lcu_t *lcu,
int x,
int y);
void uvg_cu_cost_inter_rd2(
encoder_state_t* const state,
cu_info_t* cur_cu,
lcu_t* lcu,
double* inter_cost,
double* inter_bitcost,
const cu_loc_t* const cu_loc);
int uvg_get_skip_context(int x, int y, lcu_t* const lcu, cu_array_t* const cu_a, int* predmode_ctx);
#endif // SEARCH_INTER_H_