-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathloadalsa.h
299 lines (284 loc) · 13.1 KB
/
loadalsa.h
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
#include <string.h>
#ifndef __GNUC__
#define __inline__ inline
#endif
typedef struct _snd_pcm_info snd_pcm_info_t;
typedef struct _snd_pcm_hw_params snd_pcm_hw_params_t;
/** PCM stream (direction) */
typedef enum _snd_pcm_stream {
/** Playback stream */
SND_PCM_STREAM_PLAYBACK = 0,
/** Capture stream */
SND_PCM_STREAM_CAPTURE,
SND_PCM_STREAM_LAST = SND_PCM_STREAM_CAPTURE
} snd_pcm_stream_t;
/** PCM access type */
typedef enum _snd_pcm_access {
/** mmap access with simple interleaved channels */
SND_PCM_ACCESS_MMAP_INTERLEAVED = 0,
/** mmap access with simple non interleaved channels */
SND_PCM_ACCESS_MMAP_NONINTERLEAVED,
/** mmap access with complex placement */
SND_PCM_ACCESS_MMAP_COMPLEX,
/** snd_pcm_readi/snd_pcm_writei access */
SND_PCM_ACCESS_RW_INTERLEAVED,
/** snd_pcm_readn/snd_pcm_writen access */
SND_PCM_ACCESS_RW_NONINTERLEAVED,
SND_PCM_ACCESS_LAST = SND_PCM_ACCESS_RW_NONINTERLEAVED
} snd_pcm_access_t;
/** PCM sample format */
typedef enum _snd_pcm_format {
/** Unknown */
SND_PCM_FORMAT_UNKNOWN = -1,
/** Signed 8 bit */
SND_PCM_FORMAT_S8 = 0,
/** Unsigned 8 bit */
SND_PCM_FORMAT_U8,
/** Signed 16 bit Little Endian */
SND_PCM_FORMAT_S16_LE,
/** Signed 16 bit Big Endian */
SND_PCM_FORMAT_S16_BE,
/** Unsigned 16 bit Little Endian */
SND_PCM_FORMAT_U16_LE,
/** Unsigned 16 bit Big Endian */
SND_PCM_FORMAT_U16_BE,
/** Signed 24 bit Little Endian using low three bytes in 32-bit word */
SND_PCM_FORMAT_S24_LE,
/** Signed 24 bit Big Endian using low three bytes in 32-bit word */
SND_PCM_FORMAT_S24_BE,
/** Unsigned 24 bit Little Endian using low three bytes in 32-bit word */
SND_PCM_FORMAT_U24_LE,
/** Unsigned 24 bit Big Endian using low three bytes in 32-bit word */
SND_PCM_FORMAT_U24_BE,
/** Signed 32 bit Little Endian */
SND_PCM_FORMAT_S32_LE,
/** Signed 32 bit Big Endian */
SND_PCM_FORMAT_S32_BE,
/** Unsigned 32 bit Little Endian */
SND_PCM_FORMAT_U32_LE,
/** Unsigned 32 bit Big Endian */
SND_PCM_FORMAT_U32_BE,
/** Float 32 bit Little Endian, Range -1.0 to 1.0 */
SND_PCM_FORMAT_FLOAT_LE,
/** Float 32 bit Big Endian, Range -1.0 to 1.0 */
SND_PCM_FORMAT_FLOAT_BE,
/** Float 64 bit Little Endian, Range -1.0 to 1.0 */
SND_PCM_FORMAT_FLOAT64_LE,
/** Float 64 bit Big Endian, Range -1.0 to 1.0 */
SND_PCM_FORMAT_FLOAT64_BE,
/** IEC-958 Little Endian */
SND_PCM_FORMAT_IEC958_SUBFRAME_LE,
/** IEC-958 Big Endian */
SND_PCM_FORMAT_IEC958_SUBFRAME_BE,
/** Mu-Law */
SND_PCM_FORMAT_MU_LAW,
/** A-Law */
SND_PCM_FORMAT_A_LAW,
/** Ima-ADPCM */
SND_PCM_FORMAT_IMA_ADPCM,
/** MPEG */
SND_PCM_FORMAT_MPEG,
/** GSM */
SND_PCM_FORMAT_GSM,
/** Special */
SND_PCM_FORMAT_SPECIAL = 31,
/** Signed 24bit Little Endian in 3bytes format */
SND_PCM_FORMAT_S24_3LE = 32,
/** Signed 24bit Big Endian in 3bytes format */
SND_PCM_FORMAT_S24_3BE,
/** Unsigned 24bit Little Endian in 3bytes format */
SND_PCM_FORMAT_U24_3LE,
/** Unsigned 24bit Big Endian in 3bytes format */
SND_PCM_FORMAT_U24_3BE,
/** Signed 20bit Little Endian in 3bytes format */
SND_PCM_FORMAT_S20_3LE,
/** Signed 20bit Big Endian in 3bytes format */
SND_PCM_FORMAT_S20_3BE,
/** Unsigned 20bit Little Endian in 3bytes format */
SND_PCM_FORMAT_U20_3LE,
/** Unsigned 20bit Big Endian in 3bytes format */
SND_PCM_FORMAT_U20_3BE,
/** Signed 18bit Little Endian in 3bytes format */
SND_PCM_FORMAT_S18_3LE,
/** Signed 18bit Big Endian in 3bytes format */
SND_PCM_FORMAT_S18_3BE,
/** Unsigned 18bit Little Endian in 3bytes format */
SND_PCM_FORMAT_U18_3LE,
/** Unsigned 18bit Big Endian in 3bytes format */
SND_PCM_FORMAT_U18_3BE,
/* G.723 (ADPCM) 24 kbit/s, 8 samples in 3 bytes */
SND_PCM_FORMAT_G723_24,
/* G.723 (ADPCM) 24 kbit/s, 1 sample in 1 byte */
SND_PCM_FORMAT_G723_24_1B,
/* G.723 (ADPCM) 40 kbit/s, 8 samples in 3 bytes */
SND_PCM_FORMAT_G723_40,
/* G.723 (ADPCM) 40 kbit/s, 1 sample in 1 byte */
SND_PCM_FORMAT_G723_40_1B,
/* Direct Stream Digital (DSD) in 1-byte samples (x8) */
SND_PCM_FORMAT_DSD_U8,
/* Direct Stream Digital (DSD) in 2-byte samples (x16) */
SND_PCM_FORMAT_DSD_U16_LE,
/* Direct Stream Digital (DSD) in 4-byte samples (x32) */
SND_PCM_FORMAT_DSD_U32_LE,
/* Direct Stream Digital (DSD) in 2-byte samples (x16) */
SND_PCM_FORMAT_DSD_U16_BE,
/* Direct Stream Digital (DSD) in 4-byte samples (x32) */
SND_PCM_FORMAT_DSD_U32_BE,
SND_PCM_FORMAT_LAST = SND_PCM_FORMAT_DSD_U32_BE,
#ifndef __BYTE_ORDER
#define __BYTE_ORDER 1234
#endif
#ifndef __LITTLE_ENDIAN
#define __LITTLE_ENDIAN 1234
#endif
#ifndef EBADFD
#define EBADFD 77
#endif
#if __BYTE_ORDER == __LITTLE_ENDIAN
/** Signed 16 bit CPU endian */
SND_PCM_FORMAT_S16 = SND_PCM_FORMAT_S16_LE,
/** Unsigned 16 bit CPU endian */
SND_PCM_FORMAT_U16 = SND_PCM_FORMAT_U16_LE,
/** Signed 24 bit CPU endian */
SND_PCM_FORMAT_S24 = SND_PCM_FORMAT_S24_LE,
/** Unsigned 24 bit CPU endian */
SND_PCM_FORMAT_U24 = SND_PCM_FORMAT_U24_LE,
/** Signed 32 bit CPU endian */
SND_PCM_FORMAT_S32 = SND_PCM_FORMAT_S32_LE,
/** Unsigned 32 bit CPU endian */
SND_PCM_FORMAT_U32 = SND_PCM_FORMAT_U32_LE,
/** Float 32 bit CPU endian */
SND_PCM_FORMAT_FLOAT = SND_PCM_FORMAT_FLOAT_LE,
/** Float 64 bit CPU endian */
SND_PCM_FORMAT_FLOAT64 = SND_PCM_FORMAT_FLOAT64_LE,
/** IEC-958 CPU Endian */
SND_PCM_FORMAT_IEC958_SUBFRAME = SND_PCM_FORMAT_IEC958_SUBFRAME_LE
#elif __BYTE_ORDER == __BIG_ENDIAN
/** Signed 16 bit CPU endian */
SND_PCM_FORMAT_S16 = SND_PCM_FORMAT_S16_BE,
/** Unsigned 16 bit CPU endian */
SND_PCM_FORMAT_U16 = SND_PCM_FORMAT_U16_BE,
/** Signed 24 bit CPU endian */
SND_PCM_FORMAT_S24 = SND_PCM_FORMAT_S24_BE,
/** Unsigned 24 bit CPU endian */
SND_PCM_FORMAT_U24 = SND_PCM_FORMAT_U24_BE,
/** Signed 32 bit CPU endian */
SND_PCM_FORMAT_S32 = SND_PCM_FORMAT_S32_BE,
/** Unsigned 32 bit CPU endian */
SND_PCM_FORMAT_U32 = SND_PCM_FORMAT_U32_BE,
/** Float 32 bit CPU endian */
SND_PCM_FORMAT_FLOAT = SND_PCM_FORMAT_FLOAT_BE,
/** Float 64 bit CPU endian */
SND_PCM_FORMAT_FLOAT64 = SND_PCM_FORMAT_FLOAT64_BE,
/** IEC-958 CPU Endian */
SND_PCM_FORMAT_IEC958_SUBFRAME = SND_PCM_FORMAT_IEC958_SUBFRAME_BE
#else
#error "Unknown endian"
#endif
} snd_pcm_format_t;
typedef struct _snd_ctl_card_info snd_ctl_card_info_t;
typedef struct _snd_ctl snd_ctl_t;
typedef struct _snd_pcm snd_pcm_t;
typedef unsigned long snd_pcm_uframes_t;
typedef long snd_pcm_sframes_t;
size_t snd_pcm_hw_params_sizeof(void);
typedef const char* (*p_snd_strerror)(int errnum);
typedef int (*p_snd_pcm_open)(snd_pcm_t **pcm, const char *name,
snd_pcm_stream_t stream, int mode);
typedef int (*p_snd_pcm_close)(snd_pcm_t *pcm);
typedef int (*p_snd_pcm_hw_params)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
typedef int (*p_snd_pcm_prepare)(snd_pcm_t *pcm);
typedef int (*p_snd_pcm_drop)(snd_pcm_t *pcm);
typedef int (*p_snd_pcm_hwsync)(snd_pcm_t *pcm);
typedef snd_pcm_sframes_t (*p_snd_pcm_avail_update)(snd_pcm_t *pcm);
typedef snd_pcm_sframes_t (*p_snd_pcm_writei)(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
typedef snd_pcm_sframes_t (*p_snd_pcm_readi)(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size);
typedef int (*p_snd_pcm_recover)(snd_pcm_t *pcm, int err, int silent);
typedef int (*p_snd_pcm_get_params)(snd_pcm_t *pcm,
snd_pcm_uframes_t *buffer_size,
snd_pcm_uframes_t *period_size);
typedef int (*p_snd_pcm_info_malloc)(snd_pcm_info_t **ptr);
typedef void (*p_snd_pcm_info_free)(snd_pcm_info_t *obj);
typedef const char* (*p_snd_pcm_info_get_id)(const snd_pcm_info_t *obj);
typedef const char* (*p_snd_pcm_info_get_name)(const snd_pcm_info_t *obj);
typedef void (*p_snd_pcm_info_set_device)(snd_pcm_info_t *obj, unsigned int val);
typedef void (*p_snd_pcm_info_set_subdevice)(snd_pcm_info_t *obj, unsigned int val);
typedef void (*p_snd_pcm_info_set_stream)(snd_pcm_info_t *obj, snd_pcm_stream_t val);
typedef int (*p_snd_pcm_hw_params_any)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
typedef int (*p_snd_pcm_hw_params_malloc)(snd_pcm_hw_params_t **ptr);
typedef void (*p_snd_pcm_hw_params_free)(snd_pcm_hw_params_t *obj);
typedef int (*p_snd_pcm_hw_params_set_format)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val);
typedef int (*p_snd_pcm_hw_params_get_access)(const snd_pcm_hw_params_t *params, snd_pcm_access_t *_access);
typedef int (*p_snd_pcm_hw_params_set_access)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t _access);
typedef int (*p_snd_pcm_hw_params_test_format)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val);
typedef int (*p_snd_pcm_hw_params_get_channels_min)(const snd_pcm_hw_params_t *params, unsigned int *val);
typedef int (*p_snd_pcm_hw_params_get_channels_max)(const snd_pcm_hw_params_t *params, unsigned int *val);
typedef int (*p_snd_pcm_hw_params_set_channels)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
typedef int (*p_snd_pcm_hw_params_get_rate_min)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
typedef int (*p_snd_pcm_hw_params_get_rate_max)(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
typedef int (*p_snd_pcm_hw_params_set_rate)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
typedef int (*p_snd_pcm_hw_params_set_rate_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
typedef int (*p_snd_pcm_hw_params_set_rate_resample)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
typedef int (*p_snd_pcm_hw_params_get_period_size)(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir);
typedef int (*p_snd_pcm_hw_params_set_period_size)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir);
typedef int (*p_snd_pcm_hw_params_set_period_size_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
typedef int (*p_snd_card_next)(int *card);
typedef int (*p_snd_ctl_open)(snd_ctl_t **ctl, const char *name, int mode);
typedef int (*p_snd_ctl_close)(snd_ctl_t *ctl);
typedef int (*p_snd_ctl_card_info)(snd_ctl_t *ctl, snd_ctl_card_info_t *info);
typedef int (*p_snd_ctl_pcm_next_device)(snd_ctl_t *ctl, int *device);
typedef int (*p_snd_ctl_pcm_info)(snd_ctl_t *ctl, snd_pcm_info_t * info);
typedef int (*p_snd_ctl_card_info_malloc)(snd_ctl_card_info_t **ptr);
typedef void (*p_snd_ctl_card_info_free)(snd_ctl_card_info_t *obj);
typedef const char* (*p_snd_ctl_card_info_get_id)(const snd_ctl_card_info_t *obj);
typedef const char* (*p_snd_ctl_card_info_get_name)(const snd_ctl_card_info_t *obj);
typedef const char* (*p_snd_ctl_card_info_get_longname)(const snd_ctl_card_info_t *obj);
extern int alsa_library_flag;
extern p_snd_strerror snd_strerror;
extern p_snd_pcm_open snd_pcm_open;
extern p_snd_pcm_close snd_pcm_close;
extern p_snd_pcm_hw_params snd_pcm_hw_params;
extern p_snd_pcm_prepare snd_pcm_prepare;
extern p_snd_pcm_drop snd_pcm_drop;
extern p_snd_pcm_hwsync snd_pcm_hwsync;
extern p_snd_pcm_avail_update snd_pcm_avail_update;
extern p_snd_pcm_writei snd_pcm_writei;
extern p_snd_pcm_readi snd_pcm_readi;
extern p_snd_pcm_recover snd_pcm_recover;
extern p_snd_pcm_get_params snd_pcm_get_params;
extern p_snd_pcm_info_malloc snd_pcm_info_malloc;
extern p_snd_pcm_info_free snd_pcm_info_free;
extern p_snd_pcm_info_get_id snd_pcm_info_get_id;
extern p_snd_pcm_info_get_name snd_pcm_info_get_name;
extern p_snd_pcm_info_set_device snd_pcm_info_set_device;
extern p_snd_pcm_info_set_subdevice snd_pcm_info_set_subdevice;
extern p_snd_pcm_info_set_stream snd_pcm_info_set_stream;
extern p_snd_pcm_hw_params_any snd_pcm_hw_params_any;
extern p_snd_pcm_hw_params_malloc snd_pcm_hw_params_malloc;
extern p_snd_pcm_hw_params_free snd_pcm_hw_params_free;
extern p_snd_pcm_hw_params_set_format snd_pcm_hw_params_set_format;
extern p_snd_pcm_hw_params_get_access snd_pcm_hw_params_get_access;
extern p_snd_pcm_hw_params_set_access snd_pcm_hw_params_set_access;
extern p_snd_pcm_hw_params_test_format snd_pcm_hw_params_test_format;
extern p_snd_pcm_hw_params_get_channels_min snd_pcm_hw_params_get_channels_min;
extern p_snd_pcm_hw_params_get_channels_max snd_pcm_hw_params_get_channels_max;
extern p_snd_pcm_hw_params_set_channels snd_pcm_hw_params_set_channels;
extern p_snd_pcm_hw_params_get_rate_min snd_pcm_hw_params_get_rate_min;
extern p_snd_pcm_hw_params_get_rate_max snd_pcm_hw_params_get_rate_max;
extern p_snd_pcm_hw_params_set_rate snd_pcm_hw_params_set_rate;
extern p_snd_pcm_hw_params_set_rate_near snd_pcm_hw_params_set_rate_near;
extern p_snd_pcm_hw_params_set_rate_resample snd_pcm_hw_params_set_rate_resample;
extern p_snd_pcm_hw_params_get_period_size snd_pcm_hw_params_get_period_size;
extern p_snd_pcm_hw_params_set_period_size snd_pcm_hw_params_set_period_size;
extern p_snd_pcm_hw_params_set_period_size_near snd_pcm_hw_params_set_period_size_near;
extern p_snd_card_next snd_card_next;
extern p_snd_ctl_open snd_ctl_open;
extern p_snd_ctl_close snd_ctl_close;
extern p_snd_ctl_card_info snd_ctl_card_info;
extern p_snd_ctl_pcm_next_device snd_ctl_pcm_next_device;
extern p_snd_ctl_pcm_info snd_ctl_pcm_info;
extern p_snd_ctl_card_info_malloc snd_ctl_card_info_malloc;
extern p_snd_ctl_card_info_free snd_ctl_card_info_free;
extern p_snd_ctl_card_info_get_id snd_ctl_card_info_get_id;
extern p_snd_ctl_card_info_get_name snd_ctl_card_info_get_name;
extern p_snd_ctl_card_info_get_longname snd_ctl_card_info_get_longname;