blob: a3a3726ad63c0ceb75e427161b9313c1d9a3712e (
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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/*
* mpg123 defines
* used source: musicout.h from mpegaudio package
*/
#ifndef __MPG123_H__
#define __MPG123_H__
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <gtk/gtk.h>
#include "dxhead.h"
#define real float
/* #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
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 (*do_layer) (struct frame * fr);
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 */
};
struct bitstream_info
{
int bitindex;
unsigned char *wordpointer;
};
extern struct bitstream_info bsi;
/* ------ Declarations from "common.c" ------ */
extern unsigned int mpg123_get1bit(void);
extern unsigned int mpg123_getbits(int);
extern unsigned int mpg123_getbits_fast(int);
extern int mpg123_head_check(unsigned long);
extern void mpg123_set_pointer(long);
extern unsigned char *mpg123_pcm_sample;
extern int mpg123_pcm_point;
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];
};
int mpg123_stream_check_for_xing_header(struct frame *fr, XHEADDATA * xhead);
extern int mpg123_do_layer3(struct frame *fr);
extern int mpg123_do_layer2(struct frame *fr);
extern int mpg123_do_layer1(struct frame *fr);
extern void mpg123_init_layer3(int);
extern void mpg123_init_layer2(void);
int mpg123_decode_header(struct frame *fr, unsigned long newhead);
double mpg123_compute_bpf(struct frame *fr);
double mpg123_compute_tpf(struct frame *fr);
extern unsigned char *mpg123_conv16to8;
extern long mpg123_freqs[9];
extern real mpg123_muls[27][64];
extern real mpg123_decwin[512 + 32];
extern real *mpg123_pnts[5];
extern int tabsel_123[2][3][16];
guint mpg123_get_song_time(FILE * file);
#endif
|
