pinebuds/services/multimedia/speech/inc/buffer_manager.h

52 lines
1.6 KiB
C

/***************************************************************************
*
* 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 All unpublished rights reserved.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 BUFFER_MANAGER_H
#define BUFFER_MANAGER_H
#include <stdint.h>
struct BufferManager_;
typedef struct BufferManager_ BufferManager;
typedef enum
{
BUFFER_MANAGER_CACHING = 0,
BUFFER_MANAGER_CACHE_OK = 1,
BUFFER_MANAGER_FLUSH = 2
} BufferManagerStatus;
#ifdef __cplusplus
extern "C" {
#endif
// Buffer management for decoupling codec frame size and vqe frame size,
// vqe frame size must be larger than codec frame size.
// When init buffer manager, input buffer should inited by
// buffer_manager_create(codec_frame_size, vqe_frame_size)
// output buffer should inited by
// buffer_manager_create(vqe_frame_size, codec_frame_size)
BufferManager *buffer_manager_create(int inlen, int outlen, int sample_size);
void buffer_manager_destroy(BufferManager *st);
BufferManagerStatus buffer_manager_process(BufferManager *st, void *inbuf, int inlen, void *outbuf, int outlen);
#ifdef __cplusplus
}
#endif
#endif