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
|
/*
* Copyright © 2017 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Authors:
* Paul Kocialkowski <paul.kocialkowski@linux.intel.com>
*/
#ifndef IGT_ALSA_H
#define IGT_ALSA_H
#include "config.h"
#include <stdbool.h>
struct alsa;
struct alsa *alsa_init(void);
int alsa_open_output(struct alsa *alsa, const char *device_name);
int alsa_open_input(struct alsa *alsa, const char *device_name);
void alsa_close_output(struct alsa *alsa);
void alsa_close_input(struct alsa *alsa);
bool alsa_test_output_configuration(struct alsa *alsa, int channels,
int sampling_rate);
bool alsa_test_input_configuration(struct alsa *alsa, int channels,
int sampling_rate);
void alsa_configure_output(struct alsa *alsa, int channels,
int sampling_rate);
void alsa_configure_input(struct alsa *alsa, int channels,
int sampling_rate);
void alsa_register_output_callback(struct alsa *alsa,
int (*callback)(void *data, short *buffer, int samples),
void *callback_data, int samples_trigger);
void alsa_register_input_callback(struct alsa *alsa,
int (*callback)(void *data, short *buffer, int samples),
void *callback_data, int samples_trigger);
int alsa_run(struct alsa *alsa, int duration_ms);
#endif
|
