uvg266/src/search.h
2022-08-18 14:03:53 +03:00

104 lines
4.7 KiB
C

#ifndef SEARCH_H_
#define SEARCH_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
* \brief Compression of a single coding tree unit (CTU).
*/
#include "cu.h"
#include "encoderstate.h"
#include "global.h" // IWYU pragma: keep
#include "image.h"
#include "constraint.h"
#define MAX_UNIT_STATS_MAP_SIZE MAX(MAX_REF_PIC_COUNT, MRG_MAX_NUM_CANDS)
// Modify weight of luma SSD.
#ifndef UVG_LUMA_MULT
#define UVG_LUMA_MULT 1.0
#endif
// Modify weight of chroma SSD.
#ifndef UVG_CHROMA_MULT
#define UVG_CHROMA_MULT 1.0
#endif
/**
* \brief Data collected during search processes.
*
* The intended use is to collect statistics of the
* searched coding/prediction units. Data related to
* a specific unit is found at index i. The arrays
* should be indexed by elements of the "keys" array
* that will be sorted by the RD costs of the units.
*/
typedef struct unit_stats_map_t {
cu_info_t unit[MAX_UNIT_STATS_MAP_SIZE]; //!< list of searched units
double cost[MAX_UNIT_STATS_MAP_SIZE]; //!< list of matching RD costs
double bits[MAX_UNIT_STATS_MAP_SIZE]; //!< list of matching bit costs
int8_t keys[MAX_UNIT_STATS_MAP_SIZE]; //!< list of keys (indices) to elements in the other arrays
int size; //!< number of active elements in the lists
} unit_stats_map_t;
#define NUM_MIP_MODES_FULL(width, height) (((width) == 4 && (height) == 4) ? 32 : ((width) == 4 || (height) == 4 || ((width) == 8 && (height) == 8) ? 16 : 12))
#define NUM_MIP_MODES_HALF(width, height) (NUM_MIP_MODES_FULL((width), (height)) >> 1)
void uvg_sort_modes(int8_t *__restrict modes, double *__restrict costs, uint8_t length);
void uvg_sort_modes_intra_luma(int8_t *__restrict modes, int8_t *__restrict trafo, double *__restrict costs, uint8_t length);
void uvg_sort_keys_by_cost(unit_stats_map_t *__restrict map);
void uvg_search_lcu(encoder_state_t *state, int x, int y, const yuv_t *hor_buf, const yuv_t *ver_buf, lcu_coeff_t *coeff);
double uvg_cu_rd_cost_luma(const encoder_state_t *const state,
const int x_px, const int y_px, const int depth,
const cu_info_t *const pred_cu,
lcu_t *const lcu,
uint8_t isp_cbf);
double uvg_cu_rd_cost_chroma(const encoder_state_t *const state,
const int x_px, const int y_px, const int depth,
cu_info_t *const pred_cu,
lcu_t *const lcu);
void uvg_lcu_fill_trdepth(lcu_t *lcu, int x_px, int y_px, int depth, uint8_t tr_depth, enum uvg_tree_type
tree_type);
void uvg_intra_recon_lcu_luma(encoder_state_t * const state, int x, int y, int depth, int8_t intra_mode, cu_info_t *cur_cu, lcu_t *lcu);
void uvg_intra_recon_lcu_chroma(encoder_state_t * const state, int x, int y, int depth, int8_t intra_mode, cu_info_t *cur_cu, lcu_t *lcu);
#endif