60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
|
/***************************************************************************************
|
||
|
|
*
|
||
|
|
* IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
|
||
|
|
*
|
||
|
|
* By downloading, copying, installing or using the software you agree to this license.
|
||
|
|
* If you do not agree to this license, do not download, install,
|
||
|
|
* copy or use the software.
|
||
|
|
*
|
||
|
|
* Copyright (C) 2014-2024, Happytimesoft Corporation, all rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in binary forms, with or without modification, are permitted.
|
||
|
|
*
|
||
|
|
* 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 ALSA_H
|
||
|
|
#define ALSA_H
|
||
|
|
|
||
|
|
#include "sys_inc.h"
|
||
|
|
#include <alsa/asoundlib.h>
|
||
|
|
|
||
|
|
/***************************************************************************************/
|
||
|
|
|
||
|
|
#define ALSA_BUFFER_SIZE_MAX 131072
|
||
|
|
|
||
|
|
/***************************************************************************************/
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
char devname[32]; // device name
|
||
|
|
snd_pcm_t * handler; // device handler
|
||
|
|
int period_size; // preferred size for reads and writes, in frames
|
||
|
|
int framesize; // bytes per sample * channels
|
||
|
|
} ALSACTX;
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
BOOL alsa_get_device_name(int index, char * filename, int len);
|
||
|
|
BOOL alsa_open_device(ALSACTX * p_alsa, snd_pcm_stream_t mode, uint32 * sample_rate, int channels);
|
||
|
|
void alsa_close_device(ALSACTX * p_alsa);
|
||
|
|
int alsa_xrun_recover(snd_pcm_t * handler, int err);
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
|