rnnoise  unknown
RNN-based noise suppressor.
rnnoise.h
1 /* Copyright (c) 2018 Gregor Richards
2  * Copyright (c) 2017 Mozilla */
3 /*
4  Redistribution and use in source and binary forms, with or without
5  modification, are permitted provided that the following conditions
6  are met:
7 
8  - Redistributions of source code must retain the above copyright
9  notice, this list of conditions and the following disclaimer.
10 
11  - Redistributions in binary form must reproduce the above copyright
12  notice, this list of conditions and the following disclaimer in the
13  documentation and/or other materials provided with the distribution.
14 
15  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
19  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
23  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
24  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27 
28 #ifndef RNNOISE_H
29 #define RNNOISE_H 1
30 
31 #include <stdio.h>
32 
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36 
37 #ifndef RNNOISE_EXPORT
38 # if defined(WIN32)
39 # if defined(RNNOISE_BUILD) && defined(DLL_EXPORT)
40 # define RNNOISE_EXPORT __declspec(dllexport)
41 # else
42 # define RNNOISE_EXPORT
43 # endif
44 # elif defined(__GNUC__) && defined(RNNOISE_BUILD)
45 # define RNNOISE_EXPORT __attribute__ ((visibility ("default")))
46 # else
47 # define RNNOISE_EXPORT
48 # endif
49 #endif
50 
51 typedef struct DenoiseState DenoiseState;
52 typedef struct RNNModel RNNModel;
53 
57 RNNOISE_EXPORT int rnnoise_get_size();
58 
62 RNNOISE_EXPORT int rnnoise_get_frame_size();
63 
71 RNNOISE_EXPORT int rnnoise_init(DenoiseState *st, RNNModel *model);
72 
80 RNNOISE_EXPORT DenoiseState *rnnoise_create(RNNModel *model);
81 
87 RNNOISE_EXPORT void rnnoise_destroy(DenoiseState *st);
88 
94 RNNOISE_EXPORT float rnnoise_process_frame(DenoiseState *st, float *out, const float *in);
95 
101 RNNOISE_EXPORT RNNModel *rnnoise_model_from_file(FILE *f);
102 
108 RNNOISE_EXPORT void rnnoise_model_free(RNNModel *model);
109 
110 #ifdef __cplusplus
111 }
112 #endif
113 
114 #endif