pinebuds/services/multimedia/audio/process/resample/include/audio_resample_ex.h

86 lines
2.4 KiB
C
Raw Normal View History

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 All unpublished rights reserved.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 __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