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48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
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#ifndef RDO_H_
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#define RDO_H_
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/**
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* \file
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* \brief Handling Rate-Distortion Optimization related functionality
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*
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* \author Marko Viitanen ( fador@iki.fi ),
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* Tampere University of Technology,
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* Department of Pervasive Computing.
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* \author Ari Koivula ( ari@koivu.la ),
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* Tampere University of Technology,
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* Department of Pervasive Computing.
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*/
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#include "global.h"
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#include "encoder.h"
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typedef struct
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{
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double coded_level_and_dist;
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double uncoded_dist;
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double sig_cost;
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double sig_cost_0;
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int32_t nnz_before_pos0;
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} coeffgroup_rd_stats;
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const uint32_t g_go_rice_range[5] = { 7, 14, 26, 46, 78 };
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const uint32_t g_go_rice_prefix_len[5] = { 8, 7, 6, 5, 4 };
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void rdoq(encoder_control *encoder, coefficient *coef, coefficient *dest_coeff, int32_t width,
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int32_t height, uint32_t *abs_sum, int8_t type, int8_t scan_idx, int8_t block_type, int8_t scan_mode, int8_t tr_depth);
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int32_t get_ic_rate( uint32_t abs_level, uint16_t ctx_num_one,uint16_t ctx_num_abs,
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uint16_t abs_go_rice, uint32_t c1_idx, uint32_t c2_idx, int8_t type);
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uint32_t get_coded_level ( encoder_control* encoder, double* coded_cost, double* coded_cost0, double* coded_cost_sig,
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int32_t level_double, uint32_t max_abs_level,
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uint16_t ctx_num_sig, uint16_t ctx_num_one, uint16_t ctx_num_abs,
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uint16_t abs_go_rice,
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uint32_t c1_idx, uint32_t c2_idx,
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int32_t q_bits,double temp, int8_t last, int8_t type);
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#endif
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