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l3side.h
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C/C++ Source or Header
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2000-05-30
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2KB
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79 lines
#ifndef L3_SIDE_H
#define L3_SIDE_H
#include "encoder.h"
#include "machine.h"
/* Layer III side information. */
typedef FLOAT8 D576[576];
typedef int I576[576];
typedef FLOAT8 D192_3[192][3];
typedef int I192_3[192][3];
typedef struct
{
int l[1+SBMAX_l];
int s[1+SBMAX_s];
} scalefac_struct;
typedef struct {
FLOAT8 l[SBMAX_l];
FLOAT8 s[SBMAX_s][3];
} III_psy_xmin;
typedef struct {
III_psy_xmin thm;
III_psy_xmin en;
} III_psy_ratio;
typedef struct {
unsigned int part2_3_length;
unsigned int big_values;
unsigned int count1;
unsigned int global_gain;
unsigned int scalefac_compress;
unsigned int window_switching_flag;
unsigned int block_type;
unsigned int mixed_block_flag;
unsigned int table_select[3];
unsigned int subblock_gain[3];
unsigned int region0_count;
unsigned int region1_count;
unsigned int preflag;
unsigned int scalefac_scale;
unsigned int count1table_select;
unsigned int part2_length;
unsigned int sfb_lmax;
unsigned int sfb_smax;
unsigned int count1bits;
/* added for LSF */
unsigned int *sfb_partition_table;
unsigned int slen[4];
} gr_info;
typedef struct {
int main_data_begin; /* unsigned -> int */
unsigned int private_bits;
int resvDrain_pre;
int resvDrain_post;
unsigned int scfsi[2][4];
struct {
struct gr_info_ss {
gr_info tt;
} ch[2];
} gr[2];
} III_side_info_t;
/* Layer III scale factors. */
/* note: there are only SBPSY_l=(SBMAX_l-1) and SBPSY_s=(SBMAX_s-1) scalefactors.
* Dont know why these would be dimensioned SBMAX_l and SBMAX-s */
typedef struct {
int l[SBMAX_l]; /* [cb] */
int s[SBMAX_s][3]; /* [window][cb] */
} III_scalefac_t; /* [gr][ch] */
#endif