85 lines
2.4 KiB
C
85 lines
2.4 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 All unpublished rights reserved.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 __AUDIO_RESAMPLER_EX_H__
|
|
#define __AUDIO_RESAMPLER_EX_H__
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "plat_types.h"
|
|
#include "hal_aud.h"
|
|
|
|
enum RESAMPLE_STATUS_T {
|
|
RESAMPLE_STATUS_OK = 0,
|
|
RESAMPLE_STATUS_ERROR,
|
|
RESAMPLE_STATUS_NO_COEF,
|
|
RESAMPLE_STATUS_NO_COEF_GROUP,
|
|
RESAMPLE_STATUS_BAD_COEF_NUM,
|
|
RESAMPLE_STATUS_BAD_FACTOR,
|
|
RESAMPLE_STATUS_NO_BUF,
|
|
RESAMPLE_STATUS_BUF_MISALIGN,
|
|
RESAMPLE_STATUS_BUF_TOO_SMALL,
|
|
RESAMPLE_STATUS_BAD_ID,
|
|
|
|
RESAMPLE_STATUS_OUT_FULL,
|
|
RESAMPLE_STATUS_IN_EMPTY,
|
|
RESAMPLE_STATUS_DONE,
|
|
};
|
|
|
|
struct RESAMPLE_COEF_T {
|
|
uint16_t upsample_factor;
|
|
uint16_t downsample_factor;
|
|
uint8_t phase_coef_num;
|
|
uint16_t total_coef_num;
|
|
const int16_t *coef_group;
|
|
};
|
|
|
|
struct RESAMPLE_CFG_T {
|
|
enum AUD_CHANNEL_NUM_T chans;
|
|
enum AUD_BITS_T bits;
|
|
float ratio_step;
|
|
const struct RESAMPLE_COEF_T *coef;
|
|
void *buf;
|
|
uint32_t size;
|
|
};
|
|
|
|
struct RESAMPLE_IO_BUF_T {
|
|
const void *in;
|
|
uint32_t in_size;
|
|
void *out;
|
|
uint32_t out_size;
|
|
// For cyclic output buffer
|
|
void *out_cyclic_start;
|
|
void *out_cyclic_end;
|
|
};
|
|
|
|
typedef void *RESAMPLE_ID;
|
|
|
|
uint32_t audio_resample_ex_get_buffer_size(enum AUD_CHANNEL_NUM_T chans, enum AUD_BITS_T bits, uint8_t phase_coef_num);
|
|
enum RESAMPLE_STATUS_T audio_resample_ex_open(const struct RESAMPLE_CFG_T *cfg, RESAMPLE_ID *id_ptr);
|
|
enum RESAMPLE_STATUS_T audio_resample_ex_run(RESAMPLE_ID id, const struct RESAMPLE_IO_BUF_T *io, uint32_t *in_size_ptr, uint32_t *out_size_ptr);
|
|
void audio_resample_ex_close(RESAMPLE_ID id);
|
|
void audio_resample_ex_flush(RESAMPLE_ID id);
|
|
|
|
enum RESAMPLE_STATUS_T audio_resample_ex_set_ratio_step(RESAMPLE_ID id, float ratio_step);
|
|
enum RESAMPLE_STATUS_T audio_resample_ex_get_ratio_step(RESAMPLE_ID id, float *ratio_step);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|