www.pudn.com > 播放mp3的控件.rar > common.h

#ifndef COMMON_H  
#define COMMON_H  
 
#define real double 
#define NEW_DCT9 
#define M_PI    3.14159265358979323846 
#define M_SQRT2 1.41421356237309504880 
#define SBLIMIT                 32 
#define SCALE_BLOCK             12 
#define SSLIMIT                 18 
 
struct ID3TagStruct { 
    char TagHeader[3]; 
    char Title[30]; 
    char Artist[30]; 
    char Album[30]; 
    char Year[4]; 
    char Comment[30]; 
    unsigned char Genre; 
}; 
 
struct gr_info_s { 
      int scfsi; 
      unsigned part2_3_length; 
      unsigned big_values; 
      unsigned scalefac_compress; 
      unsigned block_type; 
      unsigned mixed_block_flag; 
      unsigned table_select[3]; 
      unsigned subblock_gain[3]; 
      unsigned maxband[3]; 
      unsigned maxbandl; 
      unsigned maxb; 
      unsigned region1start; 
      unsigned region2start; 
      unsigned preflag; 
      unsigned scalefac_scale; 
      unsigned count1table_select; 
      real *full_gain[3]; 
      real *pow2gain; 
}; 
 
struct bandInfoStruct { 
  int longIdx[23]; 
  int longDiff[22]; 
  int shortIdx[14]; 
  int shortDiff[13]; 
}; 
 
struct III_sideinfo 
{ 
  unsigned main_data_begin; 
  unsigned private_bits; 
  struct { 
    struct gr_info_s gr[2]; 
  } ch[2]; 
}; 
 
#endif