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 All unpublished rights reserved.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