101 lines
3.6 KiB
C
101 lines
3.6 KiB
C
/*
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* Copyright (C) 2010-2011 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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/**@file tmedia_denoise.h
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* @brief Denoiser (Noise suppression, AGC, AEC, VAD) Plugin
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*
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* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
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*/
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#ifndef TINYMEDIA_DENOISE_H
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#define TINYMEDIA_DENOISE_H
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#include "tinymedia_config.h"
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#include "tinymedia/tmedia_params.h"
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#include "tsk_buffer.h"
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#include "tsk_object.h"
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TMEDIA_BEGIN_DECLS
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/** cast any pointer to @ref tmedia_denoise_t* object */
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#define TMEDIA_DENOISE(self) ((tmedia_denoise_t*)(self))
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/** Base object for all Denoisers */
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typedef struct tmedia_denoise_s
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{
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TSK_DECLARE_OBJECT;
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tsk_bool_t opened;
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uint32_t echo_tail;
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uint32_t echo_skew;
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tsk_bool_t echo_supp_enabled;
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tsk_bool_t agc_enabled ;
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float agc_level;
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tsk_bool_t vad_enabled;
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tsk_bool_t noise_supp_enabled;
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int32_t noise_supp_level;
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tsk_buffer_t *last_frame;
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const struct tmedia_denoise_plugin_def_s* plugin;
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}
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tmedia_denoise_t;
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#define TMEDIA_DECLARE_DENOISE tmedia_denoise_t __denoise__
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/** Virtual table used to define a consumer plugin */
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typedef struct tmedia_denoise_plugin_def_s
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{
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//! object definition used to create an instance of the denoiser
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const tsk_object_def_t* objdef;
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//! full description (usefull for debugging)
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const char* desc;
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int (*set) (tmedia_denoise_t* , const tmedia_param_t*);
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int (* open) (tmedia_denoise_t*, uint32_t frame_size_samples, uint32_t sampling_rate);
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int (*echo_playback) (tmedia_denoise_t* self, const void* echo_frame, uint32_t echo_frame_size_bytes);
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//! aec, vad, noise suppression, echo cancellation before sending packet over network
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int (* process_record) (tmedia_denoise_t*, void* audio_frame, uint32_t audio_frame_size_bytes, tsk_bool_t* silence_or_noise);
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//! noise suppression before playing sound
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int (* process_playback) (tmedia_denoise_t*, void* audio_frame, uint32_t audio_frame_size_bytes);
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int (* close) (tmedia_denoise_t* );
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}
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tmedia_denoise_plugin_def_t;
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TINYMEDIA_API int tmedia_denoise_init(tmedia_denoise_t* self);
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TINYMEDIA_API int tmedia_denoise_set(tmedia_denoise_t* self, const tmedia_param_t* param);
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TINYMEDIA_API int tmedia_denoise_open(tmedia_denoise_t* self, uint32_t frame_size_samples, uint32_t sampling_rate);
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TINYMEDIA_API int tmedia_denoise_echo_playback(tmedia_denoise_t* self, const void* echo_frame, uint32_t echo_frame_size_bytes);
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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);
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TINYMEDIA_API int tmedia_denoise_process_playback(tmedia_denoise_t* self, void* audio_frame, uint32_t audio_frame_size_bytes);
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TINYMEDIA_API int tmedia_denoise_close(tmedia_denoise_t* self);
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TINYMEDIA_API int tmedia_denoise_deinit(tmedia_denoise_t* self);
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TINYMEDIA_API int tmedia_denoise_plugin_register(const tmedia_denoise_plugin_def_t* plugin);
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TINYMEDIA_API int tmedia_denoise_plugin_unregister();
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TINYMEDIA_API tmedia_denoise_t* tmedia_denoise_create();
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TMEDIA_END_DECLS
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#endif /* TINYMEDIA_DENOISE_H */
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