uvg266/src/rdo.h
2021-01-11 18:22:52 +02:00

80 lines
3.2 KiB
C

#ifndef RDO_H_
#define RDO_H_
/*****************************************************************************
* This file is part of Kvazaar HEVC encoder.
*
* Copyright (C) 2013-2015 Tampere University of Technology and others (see
* COPYING file).
*
* Kvazaar is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* Kvazaar is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with Kvazaar. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
/**
* \ingroup Compression
* \file
* Rate-Distortion Optimization related functionality.
*/
#include "cabac.h"
#include "cu.h"
#include "encoderstate.h"
#include "global.h" // IWYU pragma: keep
#include "search_inter.h"
extern const uint32_t kvz_g_go_rice_range[5];
extern const uint32_t kvz_g_go_rice_prefix_len[5];
int kvz_init_rdcost_outfiles(const char *fn_template);
void kvz_close_rdcost_outfiles(void);
void kvz_rdoq(encoder_state_t *state, coeff_t *coef, coeff_t *dest_coeff, int32_t width,
int32_t height, int8_t type, int8_t scan_mode, int8_t block_type, int8_t tr_depth);
uint32_t kvz_get_coeff_cost(const encoder_state_t * const state,
const coeff_t *coeff,
int32_t width,
int32_t type,
int8_t scan_mode);
int32_t kvz_get_ic_rate(encoder_state_t *state, uint32_t abs_level, uint16_t ctx_num_one, uint16_t ctx_num_abs,
uint16_t abs_go_rice, uint32_t c1_idx, uint32_t c2_idx, int8_t type);
uint32_t kvz_get_coded_level(encoder_state_t * state, double* coded_cost, double* coded_cost0, double* coded_cost_sig,
int32_t level_double, uint32_t max_abs_level,
uint16_t ctx_num_sig, uint16_t ctx_num_one, uint16_t ctx_num_abs,
uint16_t abs_go_rice,
uint32_t c1_idx, uint32_t c2_idx,
int32_t q_bits,double temp, int8_t last, int8_t type);
kvz_mvd_cost_func kvz_calc_mvd_cost_cabac;
uint32_t kvz_get_mvd_coding_cost_cabac(const encoder_state_t *state,
const cabac_data_t* cabac,
int32_t mvd_hor,
int32_t mvd_ver);
// Number of fixed point fractional bits used in the fractional bit table.
#define CTX_FRAC_BITS 15
#define CTX_FRAC_ONE_BIT (1 << CTX_FRAC_BITS)
#define CTX_FRAC_HALF_BIT (1 << (CTX_FRAC_BITS - 1))
extern const uint32_t kvz_entropy_bits[128];
#define CTX_ENTROPY_BITS(ctx, val) kvz_entropy_bits[(ctx)->uc_state ^ (val)]
// Floating point fractional bits, derived from kvz_entropy_bits
extern const float kvz_f_entropy_bits[128];
#define CTX_ENTROPY_FBITS(ctx, val) kvz_f_entropy_bits[(ctx)->uc_state ^ (val)]
#endif