diff options
Diffstat (limited to 'branches/1.0/tinyDAV/src/audio/tdav_speex_denoise.c')
| -rw-r--r-- | branches/1.0/tinyDAV/src/audio/tdav_speex_denoise.c | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/branches/1.0/tinyDAV/src/audio/tdav_speex_denoise.c b/branches/1.0/tinyDAV/src/audio/tdav_speex_denoise.c deleted file mode 100644 index fd8c5df..0000000 --- a/branches/1.0/tinyDAV/src/audio/tdav_speex_denoise.c +++ /dev/null @@ -1,221 +0,0 @@ -/*
-* Copyright (C) 2009-2010 Mamadou Diop.
-*
-* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
-*
-* 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 tdav_speex_denoise.c
- * @brief Speex Denoiser (Noise suppression, AGC, AEC) Plugin
- *
- * @author Mamadou Diop <diopmamadou(at)doubango.org>
- *
- * @date Created: Sat Nov 8 16:54:58 2009 mdiop
- */
-#include "tinydav/audio/tdav_speex_denoise.h"
-
-#if HAVE_SPEEX_DSP
-
-#include "tsk_memory.h"
-#include "tsk_debug.h"
-
-#define ECHO_TAIL 10
-
-int tdav_speex_denoise_open(tmedia_denoise_t* self, uint32_t frame_size, uint32_t sampling_rate, tsk_bool_t denoise, float agc_level, tsk_bool_t aec, tsk_bool_t vad)
-{
- tdav_speex_denoise_t *denoiser = (tdav_speex_denoise_t *)self;
- float f;
- int i;
-
- if(!denoiser->echo_state){
- if((denoiser->echo_state = speex_echo_state_init(frame_size, ECHO_TAIL*frame_size))){
- speex_echo_ctl(denoiser->echo_state, SPEEX_ECHO_SET_SAMPLING_RATE, &sampling_rate);
- }
- }
-
- if(!denoiser->preprocess_state){
- denoiser->vad_on = vad;
- denoiser->frame_size = frame_size;
-
- if((denoiser->preprocess_state = speex_preprocess_state_init(frame_size, sampling_rate))){
-
- if(denoiser->echo_state){
- speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_ECHO_STATE, denoiser->echo_state);
-
- i = -40;
- speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_ECHO_SUPPRESS, &i);
- i = -15;
- speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_ECHO_SUPPRESS_ACTIVE, &i);
-
- TSK_FREE(denoiser->echo_output_frame);
- denoiser->echo_output_frame = tsk_calloc(denoiser->frame_size, sizeof(spx_int16_t));
- }
-
- if(denoise){
- i = 1;
- speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_DENOISE, &i);
- i = -30;
- speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_NOISE_SUPPRESS, &i);
- }
- else{
- i = 0;
- speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_DENOISE, &i);
- }
-
- if(agc_level){
- i = 1;
- speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_AGC, &i);
- speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_AGC_LEVEL, &agc_level);
- //speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_AGC_TARGET, &agc_level);
- i = 30;
- speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_AGC_MAX_GAIN, &i);
- i = 12;
- speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_AGC_INCREMENT, &i);
- i = -40;
- speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_AGC_DECREMENT, &i);
- }
- else{
- i = 0, f = 8000.0f;
- speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_AGC, &i);
- speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_AGC_LEVEL, &f);
- }
- i = vad ? 1 : 2;
- speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_VAD, &i);
- //i=1;
- //speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_DEREVERB, &i);
- //i=1;
- //speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_DEREVERB_DECAY, &i);
- //i=1;
- //speex_preprocess_ctl(denoiser->preprocess_state, SPEEX_PREPROCESS_SET_DEREVERB_LEVEL, &i);
-
- return 0;
- }
- else{
- TSK_DEBUG_ERROR("Failed to create Speex preprocessor state");
- return -2;
- }
- }
-
- return 0;
-}
-
-int tdav_speex_denoise_echo_playback(tmedia_denoise_t* self, const void* echo_frame)
-{
- tdav_speex_denoise_t *denoiser = (tdav_speex_denoise_t *)self;
- if(denoiser->echo_state){
- speex_echo_playback(denoiser->echo_state, echo_frame);
- }
- return 0;
-}
-
-int tdav_speex_denoise_process(tmedia_denoise_t* self, void* audio_frame, tsk_bool_t* silence_or_noise)
-{
- tdav_speex_denoise_t *denoiser = (tdav_speex_denoise_t *)self;
- int vad;
-
- if(denoiser->preprocess_state){
- if(denoiser->echo_state && denoiser->echo_output_frame){
- speex_echo_capture(denoiser->echo_state, audio_frame, denoiser->echo_output_frame);
- memcpy(audio_frame, denoiser->echo_output_frame, denoiser->frame_size*sizeof(spx_int16_t));
- }
- vad = speex_preprocess_run(denoiser->preprocess_state, audio_frame);
- if(!vad && denoiser->vad_on){
- *silence_or_noise = tsk_true;
- }
- }
-
- return 0;
-}
-
-int tdav_speex_denoise_close(tmedia_denoise_t* self)
-{
- tdav_speex_denoise_t *denoiser = (tdav_speex_denoise_t *)self;
-
- if(denoiser->preprocess_state){
- speex_preprocess_state_destroy(denoiser->preprocess_state);
- denoiser->preprocess_state = tsk_null;
- }
- if(denoiser->echo_state){
- speex_echo_state_destroy(denoiser->echo_state);
- denoiser->echo_state = tsk_null;
- }
- TSK_FREE(denoiser->echo_output_frame);
-
- return 0;
-}
-
-
-
-//
-// Speex denoiser Plugin definition
-//
-
-/* constructor */
-static tsk_object_t* tdav_speex_denoise_ctor(tsk_object_t * self, va_list * app)
-{
- tdav_speex_denoise_t *denoise = self;
- if(denoise){
- /* init base */
- tmedia_denoise_init(TMEDIA_DENOISE(denoise));
- /* init self */
- }
- return self;
-}
-/* destructor */
-static tsk_object_t* tdav_speex_denoise_dtor(tsk_object_t * self)
-{
- tdav_speex_denoise_t *denoise = self;
- if(denoise){
- /* deinit base */
- tmedia_denoise_deinit(TMEDIA_DENOISE(denoise));
- /* deinit self */
- if(denoise->preprocess_state){ // already done by close() ...but who know?
- speex_preprocess_state_destroy(denoise->preprocess_state);
- }
- if(denoise->echo_state){
- speex_echo_state_destroy(denoise->echo_state);
- }
- TSK_FREE(denoise->echo_output_frame);
- }
-
- return self;
-}
-/* object definition */
-static const tsk_object_def_t tdav_speex_denoise_def_s =
-{
- sizeof(tdav_speex_denoise_t),
- tdav_speex_denoise_ctor,
- tdav_speex_denoise_dtor,
- tsk_null,
-};
-/* plugin definition*/
-static const tmedia_denoise_plugin_def_t tdav_speex_denoise_plugin_def_s =
-{
- &tdav_speex_denoise_def_s,
-
- "Audio Denoiser based on Speex",
-
- tdav_speex_denoise_open,
- tdav_speex_denoise_echo_playback,
- tdav_speex_denoise_process,
- tdav_speex_denoise_close,
-};
-const tmedia_denoise_plugin_def_t *tdav_speex_denoise_plugin_def_t = &tdav_speex_denoise_plugin_def_s;
-
-
-#endif /* HAVE_SPEEX_DSP */
\ No newline at end of file |
