summaryrefslogtreecommitdiffstats
path: root/mp3lib/mpg123.h
blob: c317901d655e8254ed5adb7aa8435b23fd9e6c68 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * Modified for use with MPlayer, for details see the CVS changelog at
 * http://www.mplayerhq.hu/cgi-bin/cvsweb.cgi/main/
 * $Id$
 */

/*
 * mpg123 defines
 * used source: musicout.h from mpegaudio package
 */

#include "../config.h"

#ifndef M_PI
#define M_PI		3.141592653589793238462
#endif
#ifndef M_SQRT2
#define M_SQRT2		1.414213562373095048802
#endif
#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;
      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 real mp3lib_decwin[(512+32)];
extern real *mp3lib_pnts[];

extern int synth_1to1_pent( real *,int,short * );
extern void make_decode_tables_MMX(long scaleval);
extern int synth_1to1_MMX( real *,int,short * );
extern int synth_1to1_MMX_s(real *, int, short *, short *, int *);
extern void dct64(real *a,real *b,real *c);

extern void dct36_3dnow(real *,real *,real *,real *,real *);
extern void dct36_3dnowex(real *,real *,real *,real *,real *);
extern void dct36_sse(real *,real *,real *,real *,real *);

typedef int (*synth_func_t)( real *,int,short * );
typedef void (*dct36_func_t)(real *,real *,real *,real *,real *);