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/*
* mpg123 defines
* used source: musicout.h from mpegaudio package
*/
#include "../config.h"
# define M_PI 3.14159265358979323846
# define M_SQRT2 1.41421356237309504880
# define REAL_IS_FLOAT
# define NEW_DCT9
#undef MPG123_REMOTE /* Get rid of this stuff for Win32 */
/*
# define real float
# define real long double
# define real double
#include "audio.h"
// #define AUDIOBUFSIZE 4096
*/
#define FALSE 0
#define TRUE 1
#define MAX_NAME_SIZE 81
#define SBLIMIT 32
#define SCALE_BLOCK 12
#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 MAXOUTBURST 32768 */
/* Pre Shift fo 16 to 8 bit converter table */
#define AUSHIFT (3)
struct al_table
{
short bits;
short d;
};
struct frame {
struct al_table *alloc;
int (*synth)(real *,int,unsigned char *,int *);
int (*synth_mono)(real *,unsigned char *,int *);
int stereo;
int jsbound;
int single;
int II_sblimit;
int down_sample_sblimit;
int lsf;
int mpeg25;
int down_sample;
int header_change;
int lay;
int error_protection;
int bitrate_index;
long sampling_frequency;
int padding;
int extension;
int mode;
int mode_ext;
int copyright;
int original;
int emphasis;
long framesize; /* computed framesize */
};
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;
int full_gain[3];
int pow2gain;
};
struct III_sideinfo
{
unsigned main_data_begin;
unsigned private_bits;
struct {
struct gr_info_s gr[2];
} ch[2];
};
static long freqs[9];
#ifdef HAVE_3DNOW
real decwin[2*(512+32)];
#else
real decwin[512+32];
#endif
real *pnts[];
static int do_layer2(struct frame *fr,int single);
static int do_layer3(struct frame *fr,int single);
static int synth_1to1(real *bandPtr,int channel,unsigned char *out,int *pnt);
extern int synth_1to1_pent( real *,int,unsigned char * );
extern void dct64(real *a,real *b,real *c);
#ifdef HAVE_3DNOW
extern void dct64_3dnow( real *,real *, real * );
extern void dct36_3dnow(real *,real *,real *,real *,real *);
extern int synth_1to1_3dnow( real *,int,unsigned char * );
#endif
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