#ifndef RDO_H_
#define RDO_H_
/*****************************************************************************
 * This file is part of Kvazaar HEVC encoder.
 * 
 * Copyright (C) 2013-2014 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 General Public License version 2 as published
 * by the Free Software Foundation.
 *
 * 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 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/>.
 ****************************************************************************/

/*
 * \file
 * \brief Handling Rate-Distortion Optimization related functionality
 */

#include "global.h"

#include "encoder.h"


typedef struct
{  
  double coded_level_and_dist;
  double uncoded_dist;
  double sig_cost;
  double sig_cost_0;
  int32_t nnz_before_pos0;
} coeffgroup_rd_stats;

extern const uint32_t g_go_rice_range[5];
extern const uint32_t g_go_rice_prefix_len[5];


void  rdoq(encoder_control *encoder, coefficient *coef, coefficient *dest_coeff, int32_t width,
           int32_t height, uint32_t *abs_sum, int8_t type, int8_t scan_mode, int8_t block_type, int8_t tr_depth);


int32_t get_ic_rate( 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);
double get_ic_rate_cost  (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 get_coded_level ( encoder_control* encoder, 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);


#endif