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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
|
/*
* mpg123 defines
* used source: musicout.h from mpegaudio package
*/
#ifndef __MPG123_H__
#define __MPG123_H__
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <unistd.h>
#include <math.h>
#include "dxhead.h"
#include "id3.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
/* Pre Shift fo 16 to 8 bit converter table */
#define AUSHIFT (3)
struct id3v1tag_t {
char tag[3]; /* always "TAG": defines ID3v1 tag 128 bytes before EOF */
char title[30];
char artist[30];
char album[30];
char year[4];
char comment[28];
char fill;
char track;
unsigned char genre;
};
struct id3tag_t {
char title[64];
char artist[64];
char album[64];
char year[5];
char comment[256];
char genre[256];
char track[4];
};
typedef struct
{
gboolean going, paused;
gint num_frames, eof, jump_to_time, eq_active;
gint songtime;
gdouble tpf;
gfloat eq_mul[576];
gboolean output_audio;
gboolean first_frame;
guint32 filesize; /* Filesize without junk */
}
PlayerInfo;
void mpg123_set_eq(int on, float preamp, float *band);
void mpg123_file_info_box(char *);
extern PlayerInfo *mpg123_info;
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 *);
#ifdef USE_3DNOW
void (*dct36)(real *,real *,real *,real *,real *);
#endif
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 */
};
void mpg123_configure(void);
typedef struct
{
gint resolution;
gint channels;
gint downsample;
gint downsample_custom;
gint http_buffer_size;
gint http_prebuffer;
gboolean use_proxy;
gchar *proxy_host;
gint proxy_port;
gboolean proxy_use_auth;
gchar *proxy_user, *proxy_pass;
gboolean save_http_stream;
gchar *save_http_path;
gboolean cast_title_streaming;
gboolean use_udp_channel;
gchar *id3_format;
gboolean use_id3, disable_id3v2;
gboolean detect_by_content;
}
MPG123Config;
extern MPG123Config mpg123_cfg;
struct bitstream_info
{
int bitindex;
unsigned char *wordpointer;
};
extern struct bitstream_info bsi;
/* ------ Declarations from "http.c" ------ */
extern int mpg123_http_open(char *url);
int mpg123_http_read(gpointer data, gint length);
void mpg123_http_close(void);
gchar *mpg123_http_get_title(gchar * url);
gint mpg123_http_get_icy_br(void);
/* ------ Declarations from "common.c" ------ */
extern unsigned int mpg123_get1bit(void);
extern unsigned int mpg123_getbits(int);
extern unsigned int mpg123_getbits_fast(int);
extern void mpg123_open_stream(char *bs_filenam, int fd);
extern int mpg123_head_check(unsigned long);
extern void mpg123_stream_close(void);
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];
};
extern void open_stream(char *, int fd);
extern long mpg123_tell_stream(void);
extern void mpg123_read_frame_init(void);
extern int mpg123_read_frame(struct frame *fr);
extern int mpg123_back_frame(struct frame *fr, int num);
void mpg123_stream_jump_to_frame(struct frame *fr, int frame);
void mpg123_stream_jump_to_byte(struct frame *fr, int byte);
int mpg123_stream_check_for_xing_header(struct frame *fr, XHEADDATA * xhead);
int mpg123_calc_numframes(struct frame *fr);
extern int mpg123_do_layer3(struct frame *fr);
extern int mpg123_do_layer2(struct frame *fr);
extern int mpg123_do_layer1(struct frame *fr);
#ifdef I386_ASSEM
extern int mpg123_synth_1to1_pent(real *, int, unsigned char *);
#endif
extern int mpg123_synth_1to1(real *, int, unsigned char *, int *);
extern int mpg123_synth_1to1_8bit(real *, int, unsigned char *, int *);
extern int mpg123_synth_1to1_mono(real *, unsigned char *, int *);
extern int mpg123_synth_1to1_mono2stereo(real *, unsigned char *, int *);
extern int mpg123_synth_1to1_8bit_mono(real *, unsigned char *, int *);
extern int mpg123_synth_1to1_8bit_mono2stereo(real *, unsigned char *, int *);
extern int mpg123_synth_2to1(real *, int, unsigned char *, int *);
extern int mpg123_synth_2to1_8bit(real *, int, unsigned char *, int *);
extern int mpg123_synth_2to1_mono(real *, unsigned char *, int *);
extern int mpg123_synth_2to1_mono2stereo(real *, unsigned char *, int *);
extern int mpg123_synth_2to1_8bit_mono(real *, unsigned char *, int *);
extern int mpg123_synth_2to1_8bit_mono2stereo(real *, unsigned char *, int *);
extern int mpg123_synth_4to1(real *, int, unsigned char *, int *);
extern int mpg123_synth_4to1_8bit(real *, int, unsigned char *, int *);
extern int mpg123_synth_4to1_mono(real *, unsigned char *, int *);
extern int mpg123_synth_4to1_mono2stereo(real *, unsigned char *, int *);
extern int mpg123_synth_4to1_8bit_mono(real *, unsigned char *, int *);
extern int mpg123_synth_4to1_8bit_mono2stereo(real *, unsigned char *, int *);
extern int mpg123_synth_ntom(real *, int, unsigned char *, int *);
extern int mpg123_synth_ntom_8bit(real *, int, unsigned char *, int *);
extern int mpg123_synth_ntom_mono(real *, unsigned char *, int *);
extern int mpg123_synth_ntom_mono2stereo(real *, unsigned char *, int *);
extern int mpg123_synth_ntom_8bit_mono(real *, unsigned char *, int *);
extern int mpg123_synth_ntom_8bit_mono2stereo(real *, unsigned char *, int *);
/* 3DNow! optimizations */
#ifdef USE_3DNOW
extern int mpg123_getcpuflags(void);
extern int support_3dnow(void);
extern void dct36(real *,real *,real *,real *,real *);
extern void dct36_3dnow(real *,real *,real *,real *,real *);
extern int mpg123_synth_1to1_3dnow(real *,int,unsigned char *,int *);
#endif
extern void mpg123_rewindNbits(int bits);
extern int mpg123_hsstell(void);
extern void mpg123_set_pointer(long);
extern void mpg123_huffman_decoder(int, int *);
extern void mpg123_huffman_count1(int, int *);
extern int mpg123_get_songlen(struct frame *fr, int no);
extern void mpg123_init_layer3(int);
extern void mpg123_init_layer2(void);
extern void mpg123_make_decode_tables(long scale);
extern void mpg123_make_conv16to8_table(void);
extern void mpg123_dct64(real *, real *, real *);
extern void mpg123_synth_ntom_set_step(long, long);
int mpg123_decode_header(struct frame *fr, unsigned long newhead);
double mpg123_compute_bpf(struct frame *fr);
double mpg123_compute_tpf(struct frame *fr);
guint mpg123_strip_spaces(char *src, size_t n);
void mpg123_get_id3v2(id3_t * id3d, struct id3tag_t *tag);
gchar *mpg123_format_song_title(struct id3tag_t *tag, gchar *filename);
void mpg123_id3v1_to_id3v2 (struct id3v1tag_t *v1, struct id3tag_t *v2);
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];
#define GENRE_MAX 0x94
extern const gchar *mpg123_id3_genres[GENRE_MAX];
extern int tabsel_123[2][3][16];
void get_song_info (char *filename, char **title_real, int *len_real);
void mpg123_play_file (const char *filename);
void mpg123_stop (void);
void mpg123_seek (int time);
void mpg123_pause (gboolean pause);
int get_time (void);
#endif
|
