1 /*
2  * Copyright (C) 2015-2020 Alibaba Group Holding Limited
3  */
4 #ifndef COMPEXP_H
5 #define COMPEXP_H
6 
7 #include <stdint.h>
8 
9 typedef struct
10 {
11     int32_t     bypass;
12     float       comp_threshold;
13     float       comp_ratio;
14     float       expand_threshold;
15     float       expand_ratio;
16     float       attack_time;
17     float       release_time;
18     float       makeup_gain;
19     int32_t     delay;
20 } CompexpConfig;
21 
22 typedef struct CompexpState_ CompexpState;
23 
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27 
28 CompexpState *compexp_create(int32_t sample_rate, int32_t frame_size, const CompexpConfig *config);
29 
30 int32_t compexp_destroy(CompexpState *st);
31 
32 int32_t compexp_set_config(CompexpState *st, const CompexpConfig *cfg);
33 
34 int32_t compexp_process(CompexpState *st, int16_t *pcm_buf, int32_t pcm_len);
35 
36 float compexp_get_required_mips(CompexpState *st);
37 
38 #ifdef __cplusplus
39 }
40 #endif
41 
42 #endif