l3type.h
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上传日期:2010-03-30
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文件大小:1k
源码类别:
VC书籍
开发平台:
Visual C++
- /* Data structures for layer III decoding. Taken from the ISO MPEG Audio
- Subgroup Software Simulation Group's public c source of the MPEG audio
- decoder.
- Last modified : 01/27/97 */
- #ifndef L3TYPE_H
- #define L3TYPE_H
- #include "all.h"
- typedef struct {
- uint32 part2_3_length;
- uint32 big_values;
- uint32 global_gain;
- uint32 scalefac_compress;
- uint32 window_switching_flag;
- uint32 block_type;
- uint32 mixed_block_flag;
- uint32 table_select[3];
- uint32 subblock_gain[3];
- uint32 region0_count;
- uint32 region1_count;
- uint32 preflag;
- uint32 scalefac_scale;
- uint32 count1table_select;
- } gr_info_s;
- typedef struct {
- uint32 main_data_begin;
- uint32 private_bits;
- struct {
- uint32 scfsi[4];
- gr_info_s gr[2];
- } ch[2];
- } III_side_info_t;
- typedef struct {
- int32 l[23]; /* [cb] */
- int32 s[3][13]; /* [window][cb] */
- } III_scalefac_t[2];
- #endif