You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
51 lines
1.9 KiB
51 lines
1.9 KiB
/*
|
|
* 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 <alsa/asoundlib.h>
|
|
#include <stdbool.h>
|
|
|
|
struct alsa;
|
|
|
|
bool alsa_has_exclusive_access(void);
|
|
struct alsa *alsa_init(void);
|
|
int alsa_open_output(struct alsa *alsa, const char *device_name);
|
|
void alsa_close_output(struct alsa *alsa);
|
|
bool alsa_test_output_configuration(struct alsa *alsa, snd_pcm_format_t dmt,
|
|
int channels, int sampling_rate);
|
|
void alsa_configure_output(struct alsa *alsa, snd_pcm_format_t fmt,
|
|
int channels, int sampling_rate);
|
|
void alsa_register_output_callback(struct alsa *alsa,
|
|
int (*callback)(void *data, void *buffer, int samples),
|
|
void *callback_data, int samples_trigger);
|
|
int alsa_run(struct alsa *alsa, int duration_ms);
|
|
|
|
#endif
|