80 lines
2.7 KiB
C
80 lines
2.7 KiB
C
/****************************************************************************
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* apps/include/audioutils/nxaudio.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __APPS_INCLUDE_AUDIOUTILS_NXAUDIO_H
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#define __APPS_INCLUDE_AUDIOUTILS_NXAUDIO_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdint.h>
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#include <mqueue.h>
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#include <nuttx/audio/audio.h>
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/****************************************************************************
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* Public Data Types
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****************************************************************************/
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struct nxaudio_s
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{
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int fd;
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int abufnum;
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FAR struct ap_buffer_s **abufs;
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mqd_t mq;
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int chnum;
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};
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struct nxaudio_callbacks_s
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{
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void CODE (*dequeue)(unsigned long arg, FAR struct ap_buffer_s *apb);
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void CODE (*complete)(unsigned long arg);
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void CODE (*user)(unsigned long arg, FAR struct audio_msg_s *msg,
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FAR bool *running);
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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int init_nxaudio(FAR struct nxaudio_s *nxaudio,
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int fs, int bps, int chnum);
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void fin_nxaudio(FAR struct nxaudio_s *nxaudio);
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int nxaudio_enqbuffer(FAR struct nxaudio_s *nxaudio,
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FAR struct ap_buffer_s *apb);
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int nxaudio_setvolume(FAR struct nxaudio_s *nxaudio, uint16_t vol);
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int nxaudio_start(FAR struct nxaudio_s *nxaudio);
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int nxaudio_msgloop(FAR struct nxaudio_s *nxaudio,
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FAR struct nxaudio_callbacks_s *cbs, unsigned long arg);
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int nxaudio_stop(FAR struct nxaudio_s *nxaudio);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __APPS_INCLUDE_AUDIOUTILS_NXAUDIO_H */
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