--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/decoders/mpglib/mpg123_sdlsound.h	Thu Feb 21 19:46:09 2002 +0000
@@ -0,0 +1,193 @@
+#include        <stdio.h>
+#include        <string.h>
+#include        <signal.h>
+
+#ifndef WIN32
+#include        <sys/signal.h>
+#include        <unistd.h>
+#endif
+
+#include        <math.h>
+
+#ifdef _WIN32
+# undef WIN32
+# define WIN32
+
+# define M_PI       3.14159265358979323846
+# define M_SQRT2	1.41421356237309504880
+# define REAL_IS_FLOAT
+# define NEW_DCT9
+
+# define random rand
+# define srandom srand
+
+#endif
+
+#ifdef REAL_IS_FLOAT
+#  define real float
+#elif defined(REAL_IS_LONG_DOUBLE)
+#  define real long double
+#else
+#  define real double
+#endif
+
+#ifdef __GNUC__
+#define INLINE inline
+#else
+#define INLINE
+#endif
+
+/* AUDIOBUFSIZE = n*64 with n=1,2,3 ...  */
+#define		AUDIOBUFSIZE		16384
+
+#ifndef FALSE
+#define         FALSE                   0
+#endif
+#ifndef FALSE
+#define         TRUE                    1
+#endif
+
+#define         SBLIMIT                 32
+#define         SSLIMIT                 18
+
+#define         SCALE_BLOCK             12
+
+
+#define         MPG_MD_STEREO           0
+#define         MPG_MD_JOINT_STEREO     1
+#define         MPG_MD_DUAL_CHANNEL     2
+#define         MPG_MD_MONO             3
+
+#define MAXFRAMESIZE 1792
+
+
+/* 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 */
+
+    /* layer2 stuff */
+    int II_sblimit;
+    void *alloc;
+};
+
+struct parameter {
+	int quiet;	/* shut up! */
+	int tryresync;  /* resync stream after error */
+	int verbose;    /* verbose level */
+	int checkrange;
+};
+
+extern unsigned int   get1bit(void);
+extern unsigned int   getbits(int);
+extern unsigned int   getbits_fast(int);
+extern int set_pointer(long);
+
+extern unsigned char *wordpointer;
+extern int bitindex;
+
+extern void make_decode_tables(long scaleval);
+extern int do_layer3(struct frame *fr,unsigned char *,int *);
+extern int do_layer2(struct frame *fr,unsigned char *,int *);
+extern int do_layer1(struct frame *fr,unsigned char *,int *);
+extern int decode_header(struct frame *fr,unsigned long newhead);
+
+
+
+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];
+};
+
+extern int synth_1to1 (real *,int,unsigned char *,int *);
+extern int synth_1to1_8bit (real *,int,unsigned char *,int *);
+extern int synth_1to1_mono (real *,unsigned char *,int *);
+extern int synth_1to1_mono2stereo (real *,unsigned char *,int *);
+extern int synth_1to1_8bit_mono (real *,unsigned char *,int *);
+extern int synth_1to1_8bit_mono2stereo (real *,unsigned char *,int *);
+
+extern int synth_2to1 (real *,int,unsigned char *,int *);
+extern int synth_2to1_8bit (real *,int,unsigned char *,int *);
+extern int synth_2to1_mono (real *,unsigned char *,int *);
+extern int synth_2to1_mono2stereo (real *,unsigned char *,int *);
+extern int synth_2to1_8bit_mono (real *,unsigned char *,int *);
+extern int synth_2to1_8bit_mono2stereo (real *,unsigned char *,int *);
+
+extern int synth_4to1 (real *,int,unsigned char *,int *);
+extern int synth_4to1_8bit (real *,int,unsigned char *,int *);
+extern int synth_4to1_mono (real *,unsigned char *,int *);
+extern int synth_4to1_mono2stereo (real *,unsigned char *,int *);
+extern int synth_4to1_8bit_mono (real *,unsigned char *,int *);
+extern int synth_4to1_8bit_mono2stereo (real *,unsigned char *,int *);
+
+extern int synth_ntom (real *,int,unsigned char *,int *);
+extern int synth_ntom_8bit (real *,int,unsigned char *,int *);
+extern int synth_ntom_mono (real *,unsigned char *,int *);
+extern int synth_ntom_mono2stereo (real *,unsigned char *,int *);
+extern int synth_ntom_8bit_mono (real *,unsigned char *,int *);
+extern int synth_ntom_8bit_mono2stereo (real *,unsigned char *,int *);
+
+extern void rewindNbits(int bits);
+extern int  hsstell(void);
+extern int get_songlen(struct frame *fr,int no);
+
+extern void init_layer3(int);
+extern void init_layer2(void);
+extern void make_decode_tables(long scale);
+extern void make_conv16to8_table(int);
+extern void dct64(real *,real *,real *);
+
+extern void synth_ntom_set_step(long,long);
+
+extern unsigned char *conv16to8;
+extern long freqs[9];
+extern real muls[27][64];
+extern real decwin[512+32];
+extern real *pnts[5];
+
+extern struct parameter param;
+
+