huffman.h
上传用户:tuheem
上传日期:2007-05-01
资源大小:21889k
文件大小:1k
- /*
- * libmad - MPEG audio decoder library
- */
- # ifndef LIBMAD_HUFFMAN_H
- # define LIBMAD_HUFFMAN_H
- union huffquad {
- struct {
- unsigned short final : 1;
- unsigned short bits : 3;
- unsigned short offset : 12;
- } ptr;
- struct {
- unsigned short final : 1;
- unsigned short hlen : 3;
- unsigned short v : 1;
- unsigned short w : 1;
- unsigned short x : 1;
- unsigned short y : 1;
- } value;
- unsigned short final : 1;
- };
- union huffpair {
- struct {
- unsigned short final : 1;
- unsigned short bits : 3;
- unsigned short offset : 12;
- } ptr;
- struct {
- unsigned short final : 1;
- unsigned short hlen : 3;
- unsigned short x : 4;
- unsigned short y : 4;
- } value;
- unsigned short final : 1;
- };
- struct hufftable {
- union huffpair const *table;
- unsigned short linbits;
- unsigned short startbits;
- };
- extern union huffquad const *const mad_huff_quad_table[2];
- extern struct hufftable const mad_huff_pair_table[32];
- # endif