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
|
/*
* tizen-audio.h
*
* Copyright (c) 2016 Samsung Electronics Co., Ltd. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef foopulsetizenaudiofoo
#define foopulsetizenaudiofoo
#include <stdint.h>
/* Error code */
#define AUDIO_IS_ERROR(ret) (ret < 0)
typedef enum audio_return {
AUDIO_RET_OK = 0,
AUDIO_ERR_UNDEFINED = (int32_t)0x80001000,
AUDIO_ERR_RESOURCE = (int32_t)0x80001001,
AUDIO_ERR_PARAMETER = (int32_t)0x80001002,
AUDIO_ERR_IOCTL = (int32_t)0x80001003,
AUDIO_ERR_INVALID_STATE = (int32_t)0x80001004,
AUDIO_ERR_INTERNAL = (int32_t)0x80001005,
AUDIO_ERR_NOT_IMPLEMENTED = (int32_t)0x80001100,
} audio_return_t ;
typedef enum audio_direction {
AUDIO_DIRECTION_IN, /**< Capture */
AUDIO_DIRECTION_OUT, /**< Playback */
} audio_direction_t;
typedef struct device_info {
const char *type;
uint32_t direction;
uint32_t id;
} device_info_t;
typedef struct audio_volume_info {
const char *type;
const char *gain;
uint32_t direction;
} audio_volume_info_t ;
typedef struct audio_route_info {
const char *role;
device_info_t *device_infos;
uint32_t num_of_devices;
} audio_route_info_t;
typedef struct audio_route_option {
const char *role;
const char *name;
int32_t value;
} audio_route_option_t;
typedef struct audio_stream_info {
const char *role;
uint32_t direction;
uint32_t idx;
} audio_stream_info_t ;
typedef void (*message_cb)(const char *name, int value, void *user_data);
/* Overall */
typedef struct audio_interface {
/* Initialization & de-initialization */
audio_return_t (*init)(void **audio_handle);
audio_return_t (*deinit)(void *audio_handle);
/* Volume */
audio_return_t (*get_volume_level_max)(void *audio_handle, audio_volume_info_t *info, uint32_t *level);
audio_return_t (*get_volume_level)(void *audio_handle, audio_volume_info_t *info, uint32_t *level);
audio_return_t (*set_volume_level)(void *audio_handle, audio_volume_info_t *info, uint32_t level);
audio_return_t (*get_volume_value)(void *audio_handle, audio_volume_info_t *info, uint32_t level, double *value);
audio_return_t (*get_volume_mute)(void *audio_handle, audio_volume_info_t *info, uint32_t *mute);
audio_return_t (*set_volume_mute)(void *audio_handle, audio_volume_info_t *info, uint32_t mute);
/* Routing */
audio_return_t (*update_route)(void *audio_handle, audio_route_info_t *info);
audio_return_t (*update_route_option)(void *audio_handle, audio_route_option_t *option);
/* Stream */
audio_return_t (*notify_stream_connection_changed)(void *audio_handle, audio_stream_info_t *info, uint32_t is_connected);
/* Buffer attribute */
audio_return_t (*get_buffer_attr)(void *audio_handle, uint32_t direction, const char *latency, uint32_t samplerate, int format, uint32_t channels,
uint32_t *maxlength, uint32_t *tlength, uint32_t *prebuf, uint32_t* minreq, uint32_t *fragsize);
/* PCM device */
audio_return_t (*pcm_open)(void *audio_handle, void **pcm_handle, uint32_t direction, void *sample_spec, uint32_t period_size, uint32_t periods);
audio_return_t (*pcm_start)(void *audio_handle, void *pcm_handle);
audio_return_t (*pcm_stop)(void *audio_handle, void *pcm_handle);
audio_return_t (*pcm_close)(void *audio_handle, void *pcm_handle);
audio_return_t (*pcm_avail)(void *audio_handle, void *pcm_handle, uint32_t *avail);
audio_return_t (*pcm_write)(void *audio_handle, void *pcm_handle, const void *buffer, uint32_t frames);
audio_return_t (*pcm_read)(void *audio_handle, void *pcm_handle, void *buffer, uint32_t frames);
audio_return_t (*pcm_get_fd)(void *audio_handle, void *pcm_handle, int *fd);
audio_return_t (*pcm_recover)(void *audio_handle, void *pcm_handle, int revents);
audio_return_t (*pcm_get_params)(void *audio_handle, void *pcm_handle, uint32_t direction, void **sample_spec, uint32_t *period_size, uint32_t *periods);
audio_return_t (*pcm_set_params)(void *audio_handle, void *pcm_handle, uint32_t direction, void *sample_spec, uint32_t period_size, uint32_t periods);
/* Message callback (optional) */
audio_return_t (*add_message_cb)(void *audio_handle, message_cb callback, void *user_data);
audio_return_t (*remove_message_cb)(void *audio_handle, message_cb callback);
} audio_interface_t;
audio_return_t audio_init(void **audio_handle);
audio_return_t audio_deinit(void *audio_handle);
audio_return_t audio_get_volume_level_max(void *audio_handle, audio_volume_info_t *info, uint32_t *level);
audio_return_t audio_get_volume_level(void *audio_handle, audio_volume_info_t *info, uint32_t *level);
audio_return_t audio_set_volume_level(void *audio_handle, audio_volume_info_t *info, uint32_t level);
audio_return_t audio_get_volume_value(void *audio_handle, audio_volume_info_t *info, uint32_t level, double *value);
audio_return_t audio_get_volume_mute(void *audio_handle, audio_volume_info_t *info, uint32_t *mute);
audio_return_t audio_set_volume_mute(void *audio_handle, audio_volume_info_t *info, uint32_t mute);
audio_return_t audio_update_route(void *audio_handle, audio_route_info_t *info);
audio_return_t audio_update_route_option(void *audio_handle, audio_route_option_t *option);
audio_return_t audio_notify_stream_connection_changed(void *audio_handle, audio_stream_info_t *info, uint32_t is_connected);
audio_return_t audio_get_buffer_attr(void *audio_handle, uint32_t direction, const char *latency, uint32_t samplerate, int format, uint32_t channels,
uint32_t *maxlength, uint32_t *tlength, uint32_t *prebuf, uint32_t* minreq, uint32_t *fragsize);
audio_return_t audio_pcm_open(void *audio_handle, void **pcm_handle, uint32_t direction, void *sample_spec, uint32_t period_size, uint32_t periods);
audio_return_t audio_pcm_start(void *audio_handle, void *pcm_handle);
audio_return_t audio_pcm_stop(void *audio_handle, void *pcm_handle);
audio_return_t audio_pcm_close(void *audio_handle, void *pcm_handle);
audio_return_t audio_pcm_avail(void *audio_handle, void *pcm_handle, uint32_t *avail);
audio_return_t audio_pcm_write(void *audio_handle, void *pcm_handle, const void *buffer, uint32_t frames);
audio_return_t audio_pcm_read(void *audio_handle, void *pcm_handle, void *buffer, uint32_t frames);
audio_return_t audio_pcm_get_fd(void *audio_handle, void *pcm_handle, int *fd);
audio_return_t audio_pcm_recover(void *audio_handle, void *pcm_handle, int revents);
audio_return_t audio_pcm_get_params(void *audio_handle, void *pcm_handle, uint32_t direction, void **sample_spec, uint32_t *period_size, uint32_t *periods);
audio_return_t audio_pcm_set_params(void *audio_handle, void *pcm_handle, uint32_t direction, void *sample_spec, uint32_t period_size, uint32_t periods);
audio_return_t audio_add_message_cb(void *audio_handle, message_cb callback, void *user_data);
audio_return_t audio_remove_message_cb(void *audio_handle, message_cb callback);
#endif
|
