#ifndef MPG123_H_INCLUDED#define MPG123_H_INCLUDED#include        <stdio.h>#ifdef STDC_HEADERS# include <string.h>#else# ifndef HAVE_STRCHR#  define strchr index#  define strrchr rindex# endifchar *strchr (), *strrchr ();# ifndef HAVE_MEMCPY#  define memcpy(d, s, n) bcopy ((s), (d), (n))#  define memmove(d, s, n) bcopy ((s), (d), (n))# endif#endif#include        <signal.h>#if defined(__riscos__) && defined(FPA10)#include	"ymath.h"#else#include	<math.h>#endif#ifndef M_PI#define M_PI       3.14159265358979323846#endif#ifndef M_SQRT2#define M_SQRT2    1.41421356237309504880#endif#ifndef FALSE#define         FALSE                   0#endif#ifndef TRUE#define         TRUE                    1#endif#define REAL_IS_FLOAT#ifdef REAL_IS_FLOAT#  define real float#elif defined(REAL_IS_LONG_DOUBLE)#  define real long double#else#  define real double#endif#define         FALSE                   0#define         TRUE                    1#define         SBLIMIT                 32#define         SSLIMIT                 18#define         MPG_MD_STEREO           0#define         MPG_MD_JOINT_STEREO     1#define         MPG_MD_DUAL_CHANNEL     2#define         MPG_MD_MONO             3#define MAXFRAMESIZE 2880/* AF: ADDED FOR LAYER1/LAYER2 */#define         SCALE_BLOCK             12/* Pre Shift fo 16 to 8 bit converter table */#define AUSHIFT (3)struct frame {    int stereo;    int jsbound;    int single;    int lsf;    int mpeg25;    int header_change;    int lay;    int error_protection;    int bitrate_index;    int sampling_frequency;    int padding;    int extension;    int mode;    int mode_ext;    int copyright;    int original;    int emphasis;    int framesize; /* computed framesize */	/* AF: ADDED FOR LAYER1/LAYER2 */#if defined(USE_LAYER_2) || defined(USE_LAYER_1)    int II_sblimit;    struct al_table2 *alloc;	int down_sample_sblimit;	int	down_sample;#endif};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 III_sideinfo{  unsigned main_data_begin;  unsigned private_bits;  struct {    struct gr_info_s gr[2];  } ch[2];};#endif