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rdoq.h
资源名称：chapter15.rar [点击查看]
上传用户：hjq518
上传日期：2021-12-09
资源大小：5084k
文件大小：5k
源码类别：
Audio
开发平台：
Visual C++
- /*!
- ***************************************************************************
- * file
- * rdoq.h
- *
- * brief
- * Headerfile for trellis based mode decision
- *
- * author
- * Limin Liu <lliu@dolby.com>
- * Alexis Michael Tourapis <alexismt@ieee.org>
- ***************************************************************************
- */
- #ifndef _RDOQ_H_
- #define _RDOQ_H_
- #include <math.h>
- #define MAX_PREC_COEFF 25
- #define SIGN_BITS 1
- typedef struct
- {
- int significantBits[16][2];
- int lastBits[16][2];
- int greaterOneBits[2][5][2]; // c1 and c2
- int greaterOneState[5];
- int blockCbpBits[4][2]; // c1 and c2
- } estBitsCabacStruct;
- typedef struct
- {
- int level[3];
- int levelDouble;
- double errLevel[3];
- int noLevels;
- int coeff_ctr;
- int pre_level;
- int sign;
- } levelDataStruct;
- extern double norm_factor_4x4;
- extern double norm_factor_8x8;
- void init_rdoq_slice(int slice_type, int symbol_mode);
- /*----------CAVLC related functions----------*/
- void est_RunLevel_CAVLC(levelDataStruct *levelData, int *levelTrellis, int block_type,
- int b8, int b4, int coeff_num, double lambda);
- int est_CAVLC_bits(levelDataStruct *levelData, int level_to_enc[16], int sign_to_enc[16], int nnz, int block_type);
- /*----------CABAC related functions----------*/
- void precalculate_unary_exp_golomb_level();
- int est_unary_exp_golomb_level_bits(unsigned int symbol, int bits0, int bits1);
- int est_exp_golomb_encode_eq_prob(unsigned int symbol);
- void estRunLevel_CABAC (Macroblock* currMB, int context);
- void est_CBP_block_bit (Macroblock* currMB, EncodingEnvironmentPtr eep_dp, int type);
- void est_significance_map(Macroblock* currMB, EncodingEnvironmentPtr eep_dp, int type);
- void est_significant_coefficients (Macroblock* currMB, EncodingEnvironmentPtr eep_dp, int type);
- int biari_no_bits(EncodingEnvironmentPtr eep, signed short symbol, BiContextTypePtr bi_ct );
- int biari_state(EncodingEnvironmentPtr eep, signed short symbol, BiContextTypePtr bi_ct );
- int est_write_and_store_CBP_block_bit(Macroblock* currMB, int type);
- void est_writeRunLevel_CABAC(levelDataStruct levelData[], int levelTabMin[], int type, double lambda, int kStart,
- int kStop, int noCoeff, int estCBP);
- int est_unary_exp_golomb_level_encode(unsigned int symbol, int ctx, int type);
- void init_trellis_data_4x4_CAVLC(int (*tblock)[16], int block_x, int qp_per, int qp_rem,
- int **levelscale, int **leveloffset, const byte *p_scan, Macroblock *currMB,
- levelDataStruct *dataLevel, int type);
- int init_trellis_data_4x4_CABAC(int (*tblock)[16], int block_x, int qp_per, int qp_rem,
- int **levelscale, int **leveloffset, const byte *p_scan, Macroblock *currMB,
- levelDataStruct *dataLevel, int* kStart, int* kStop, int type);
- void init_trellis_data_8x8_CAVLC(int (*tblock)[16], int block_x, int qp_per, int qp_rem,
- int **levelscale, int **leveloffset, const byte *p_scan, Macroblock *currMB,
- levelDataStruct levelData[4][16]);
- int init_trellis_data_8x8_CABAC(int (*tblock)[16], int block_x, int qp_per, int qp_rem,
- int **levelscale, int **leveloffset, const byte *p_scan, Macroblock *currMB,
- levelDataStruct *dataLevel, int* kStart, int* kStop, int symbolmode);
- void init_trellis_data_DC_CAVLC(int (*tblock)[4], int qp_per, int qp_rem,
- int levelscale, int leveloffset, const byte *p_scan, Macroblock *currMB,
- levelDataStruct *dataLevel, int type);
- int init_trellis_data_DC_CABAC(int (*tblock)[4], int qp_per, int qp_rem,
- int levelscale, int leveloffset, const byte *p_scan, Macroblock *currMB,
- levelDataStruct *dataLevel, int* kStart, int* kStop);
- int init_trellis_data_DC_cr(int (*tblock)[4], int qp_per, int qp_rem,
- int levelscale, int **leveloffset, const byte *p_scan, Macroblock *currMB,
- levelDataStruct *dataLevel, int* kStart, int* kStop, int type);
- void RDOQ_update_mode(RD_PARAMS *enc_mb, int bslice);
- void copy_rddata_trellis (RD_DATA *dest, RD_DATA *src);
- void updateMV_mp(int *m_cost, short ref, int list, int h, int v, int blocktype, int *lambda_factor, int block8x8);
- void trellis_coding(Macroblock *currMB, int CurrentMbAddr, Boolean prev_recode_mb);
- #endif // _RDOQ_H_
