51 lines
1.4 KiB
C
51 lines
1.4 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 All unpublished rights reserved.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 SPECTRUM_FIX_H
|
|
#define SPECTRUM_FIX_H
|
|
|
|
#include <stdint.h>
|
|
|
|
#define MAX_FREQ_NUM (10)
|
|
|
|
typedef struct
|
|
{
|
|
int freq_num;
|
|
int freq_list[MAX_FREQ_NUM];
|
|
} SpectrumFixConfig;
|
|
|
|
struct SpectrumFixState_;
|
|
|
|
typedef struct SpectrumFixState_ SpectrumFixState;
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
SpectrumFixState *spectrum_fix_init(int sample_rate, int frame_size, const SpectrumFixConfig *config);
|
|
|
|
void spectrum_fix_destroy(SpectrumFixState *st);
|
|
|
|
/* Update input buffer, must be called every block */
|
|
void spectrum_fix_analysis(SpectrumFixState *st, const int16_t *x);
|
|
|
|
/* Calculate spectrum, should be called when needed */
|
|
void spectrum_fix_process(SpectrumFixState *st, int16_t *spectrum, int spectrum_num);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif |