l3side.h
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:2k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /**********************************************************************
- * date programmers comment *
- * 25. 6.92 Toshiyuki Ishino Ver 1.0 *
- * 29.10.92 Masahiro Iwadare Ver 2.0 *
- * 17. 4.93 Masahiro Iwadare Updated for IS Modification *
- * *
- *********************************************************************/
- #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 {
- FLOAT8 l[SBPSY_l + 1];
- FLOAT8 s[SBPSY_s + 1][3];
- } III_psy_xmin;
- typedef struct {
- III_psy_xmin thm;
- III_psy_xmin en;
- } III_psy_ratio;
- typedef struct {
- unsigned part2_3_length;
- unsigned big_values;
- unsigned count1;
- unsigned global_gain;
- unsigned scalefac_compress;
- unsigned window_switching_flag;
- unsigned block_type;
- unsigned mixed_block_flag;
- unsigned table_select[3];
- int /* unsigned */ subblock_gain[3];
- unsigned region0_count;
- unsigned region1_count;
- unsigned preflag;
- unsigned scalefac_scale;
- unsigned count1table_select;
- unsigned part2_length;
- unsigned sfb_lmax;
- unsigned sfb_smax;
- unsigned count1bits;
- /* added for LSF */
- unsigned *sfb_partition_table;
- unsigned slen[4];
- } gr_info;
- typedef struct {
- int main_data_begin; /* unsigned -> int */
- unsigned private_bits;
- int resvDrain;
- unsigned 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