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/*
* Copyright (C) 2015 "IoT.bzh"
* Author "Manuel Bachmann"
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef AUDIO_ALSA_H
#define AUDIO_ALSA_H
#include <pthread.h>
#include <alsa/asoundlib.h>
#include "audio-api.h"
#include "local-def.h"
typedef struct dev_ctx_alsa dev_ctx_alsa_T;
struct dev_ctx_alsa {
char *name;
snd_pcm_t *dev;
snd_pcm_hw_params_t *params;
snd_mixer_elem_t *mixer_elm;
snd_mixer_elem_t *mixer_elm_m;
long vol_max;
long vol;
pthread_t thr;
unsigned char thr_should_run;
unsigned char thr_finished;
};
PUBLIC unsigned char _alsa_init (const char *, audioCtxHandleT *);
PUBLIC void _alsa_free (const char *);
PUBLIC void _alsa_play (int);
PUBLIC void _alsa_stop (int);
PUBLIC unsigned int _alsa_get_volume (int, unsigned int);
PUBLIC void _alsa_set_volume (int, unsigned int, unsigned int);
PUBLIC void _alsa_set_volume_all (int, unsigned int);
PUBLIC unsigned char _alsa_get_mute (int);
PUBLIC void _alsa_set_mute (int, unsigned char);
PUBLIC void _alsa_set_channels (int, unsigned int);
STATIC void* _alsa_play_thread_fn (void *);
static struct dev_ctx_alsa **dev_ctx_a = NULL;
#endif /* AUDIO_ALSA_H */
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