60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/***************************************************************************************
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*
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* IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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*
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* By downloading, copying, installing or using the software you agree to this license.
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* If you do not agree to this license, do not download, install,
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* copy or use the software.
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*
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* Copyright (C) 2014-2024, Happytimesoft Corporation, all rights reserved.
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*
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* Redistribution and use in binary forms, with or without modification, are permitted.
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
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* language governing permissions and limitations under the License.
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*
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****************************************************************************************/
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#ifndef ALSA_H
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#define ALSA_H
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#include "sys_inc.h"
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#include <alsa/asoundlib.h>
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/***************************************************************************************/
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#define ALSA_BUFFER_SIZE_MAX 131072
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/***************************************************************************************/
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typedef struct
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{
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char devname[32]; // device name
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snd_pcm_t * handler; // device handler
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int period_size; // preferred size for reads and writes, in frames
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int framesize; // bytes per sample * channels
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} ALSACTX;
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#ifdef __cplusplus
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extern "C" {
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#endif
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BOOL alsa_get_device_name(int index, char * filename, int len);
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BOOL alsa_open_device(ALSACTX * p_alsa, snd_pcm_stream_t mode, uint32 * sample_rate, int channels);
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void alsa_close_device(ALSACTX * p_alsa);
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int alsa_xrun_recover(snd_pcm_t * handler, int err);
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#ifdef __cplusplus
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}
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#endif
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#endif
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