pinebuds/apps/apptester/audiobuffer.h

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2022-08-15 04:20:27 -05:00
/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
#ifndef __AUDIOBUFFER_H__
#define __AUDIOBUFFER_H__
#ifdef __cplusplus
extern "C" {
#endif
#define AUDIO_BUFFER_FRAME_SIZE (4*1024)
#define AUDIO_BUFFER_FRAME_NUM (1)
#define AUDIO_BUFFER_TOTAL_SIZE (AUDIO_BUFFER_FRAME_SIZE*AUDIO_BUFFER_FRAME_NUM)
void audio_mono2stereo_16bits(uint16_t *dst_buf, uint16_t *src_buf, uint32_t src_len);
void audio_stereo2mono_16bits(uint8_t chnlsel, uint16_t *dst_buf, uint16_t *src_buf, uint32_t src_len);
void audio_buffer_init(void);
int audio_buffer_length(void);
int audio_buffer_set(uint8_t *buff, uint16_t len);
int audio_buffer_get(uint8_t *buff, uint16_t len);
int audio_buffer_set_stereo2mono_16bits(uint8_t *buff, uint16_t len, uint8_t chnlsel);
int audio_buffer_get_mono2stereo_16bits(uint8_t *buff, uint16_t len);
#ifdef __cplusplus
}
#endif
#endif//__FMDEC_H__