1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/*
* Copyright (C) 2010-2015 Mamadou DIOP.
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DOUBANGO.
*
*/
/**@file tmedia_denoise.h
* @brief Denoiser (Noise suppression, AGC, AEC, VAD) Plugin
*/
#ifndef TINYMEDIA_DENOISE_H
#define TINYMEDIA_DENOISE_H
#include "tinymedia_config.h"
#include "tinymedia/tmedia_params.h"
#include "tsk_buffer.h"
#include "tsk_object.h"
TMEDIA_BEGIN_DECLS
/** cast any pointer to @ref tmedia_denoise_t* object */
#define TMEDIA_DENOISE(self) ((tmedia_denoise_t*)(self))
/** Base object for all Denoisers */
typedef struct tmedia_denoise_s
{
TSK_DECLARE_OBJECT;
tsk_bool_t opened;
uint32_t echo_tail;
uint32_t echo_skew;
tsk_bool_t echo_supp_enabled;
tsk_bool_t agc_enabled ;
float agc_level;
tsk_bool_t vad_enabled;
tsk_bool_t noise_supp_enabled;
int32_t noise_supp_level;
tsk_buffer_t *record_frame;
tsk_buffer_t *playback_frame;
const struct tmedia_denoise_plugin_def_s* plugin;
}
tmedia_denoise_t;
#define TMEDIA_DECLARE_DENOISE tmedia_denoise_t __denoise__
/** Virtual table used to define a consumer plugin */
typedef struct tmedia_denoise_plugin_def_s
{
//! object definition used to create an instance of the denoiser
const tsk_object_def_t* objdef;
//! full description (usefull for debugging)
const char* desc;
int (*set) (tmedia_denoise_t* , const tmedia_param_t*);
int (* open) (tmedia_denoise_t*, uint32_t record_frame_size_samples, uint32_t record_sampling_rate, uint32_t record_channels, uint32_t playback_frame_size_samples, uint32_t playback_sampling_rate, uint32_t playback_channels);
int (*echo_playback) (tmedia_denoise_t* self, const void* echo_frame, uint32_t echo_frame_size_bytes);
//! aec, vad, noise suppression, echo cancellation before sending packet over network
int (* process_record) (tmedia_denoise_t*, void* audio_frame, uint32_t audio_frame_size_bytes, tsk_bool_t* silence_or_noise);
//! noise suppression before playing sound
int (* process_playback) (tmedia_denoise_t*, void* audio_frame, uint32_t audio_frame_size_bytes);
int (* close) (tmedia_denoise_t* );
}
tmedia_denoise_plugin_def_t;
TINYMEDIA_API int tmedia_denoise_init(tmedia_denoise_t* self);
TINYMEDIA_API int tmedia_denoise_set(tmedia_denoise_t* self, const tmedia_param_t* param);
TINYMEDIA_API int tmedia_denoise_open(tmedia_denoise_t* self, uint32_t record_frame_size_samples, uint32_t record_sampling_rate, uint32_t record_channels, uint32_t playback_frame_size_samples, uint32_t playback_sampling_rate, uint32_t playback_channels);
TINYMEDIA_API int tmedia_denoise_echo_playback(tmedia_denoise_t* self, const void* echo_frame, uint32_t echo_frame_size_bytes);
TINYMEDIA_API int tmedia_denoise_process_record(tmedia_denoise_t* self, void* audio_frame, uint32_t audio_frame_size_bytes, tsk_bool_t* silence_or_noise);
TINYMEDIA_API int tmedia_denoise_process_playback(tmedia_denoise_t* self, void* audio_frame, uint32_t audio_frame_size_bytes);
TINYMEDIA_API int tmedia_denoise_close(tmedia_denoise_t* self);
TINYMEDIA_API int tmedia_denoise_deinit(tmedia_denoise_t* self);
TINYMEDIA_API int tmedia_denoise_plugin_register(const tmedia_denoise_plugin_def_t* plugin);
TINYMEDIA_API int tmedia_denoise_plugin_unregister(const tmedia_denoise_plugin_def_t* plugin);
TINYMEDIA_API tmedia_denoise_t* tmedia_denoise_create();
TMEDIA_END_DECLS
#endif /* TINYMEDIA_DENOISE_H */
|
