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