diff options
Diffstat (limited to 'tinyMEDIA/src/tmedia_denoise.c')
| -rw-r--r-- | tinyMEDIA/src/tmedia_denoise.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/tinyMEDIA/src/tmedia_denoise.c b/tinyMEDIA/src/tmedia_denoise.c new file mode 100644 index 0000000..c9e0731 --- /dev/null +++ b/tinyMEDIA/src/tmedia_denoise.c @@ -0,0 +1,185 @@ +/*
+* 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 tmedia_denoise.c
+ * @brief Denoiser (Noise suppression, AGC, AEC, VAD) Plugin
+ *
+ * @author Mamadou Diop <diopmamadou(at)doubango.org>
+ *
+ * @date Created: Sat Nov 8 16:54:58 2009 mdiop
+ */
+#include "tinymedia/tmedia_denoise.h"
+
+#include "tsk_debug.h"
+
+static const tmedia_denoise_plugin_def_t* __tmedia_denoise_plugin = tsk_null;
+
+int tmedia_denoise_init(tmedia_denoise_t* self)
+{
+ if(!self){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+
+ return 0;
+}
+
+int tmedia_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)
+{
+ if(!self || !self->plugin){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+ if(self->opened){
+ TSK_DEBUG_WARN("Denoiser already opened");
+ return 0;
+ }
+
+ if(self->plugin->open){
+ int ret;
+ if((ret = self->plugin->open(self, frame_size, sampling_rate, denoise, agc_level, aec, vad))){
+ TSK_DEBUG_ERROR("Failed to open [%s] denoiser", self->plugin->desc);
+ return ret;
+ }
+ else{
+ self->opened = tsk_true;
+ return 0;
+ }
+ }
+ else{
+ self->opened = tsk_true;
+ return 0;
+ }
+}
+
+int tmedia_denoise_echo_playback(tmedia_denoise_t* self, const void* echo_frame)
+{
+ if(!self || !self->plugin){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+
+ if(!self->opened){
+ TSK_DEBUG_ERROR("Denoiser not opened");
+ return -2;
+ }
+
+ if(self->plugin->process){
+ return self->plugin->echo_playback(self, echo_frame);
+ }
+ else{
+ return 0;
+ }
+}
+
+
+int tmedia_denoise_process(tmedia_denoise_t* self, void* audio_frame, tsk_bool_t* silence_or_noise)
+{
+ if(!self || !self->plugin || !silence_or_noise){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+
+ if(!self->opened){
+ TSK_DEBUG_ERROR("Denoiser not opened");
+ return -2;
+ }
+
+ if(self->plugin->process){
+ return self->plugin->process(self, audio_frame, silence_or_noise);
+ }
+ else{
+ *silence_or_noise = tsk_false;
+ return 0;
+ }
+}
+
+int tmedia_denoise_close(tmedia_denoise_t* self)
+{
+ if(!self || !self->plugin){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+ if(!self->opened){
+ TSK_DEBUG_WARN("Denoiser not opened");
+ return 0;
+ }
+
+ if(self->plugin->close){
+ int ret;
+
+ if((ret = self->plugin->close(self))){
+ TSK_DEBUG_ERROR("Failed to close [%s] denoiser", self->plugin->desc);
+ return ret;
+ }
+ else{
+ self->opened = tsk_false;
+ return 0;
+ }
+ }
+ else{
+ self->opened = tsk_false;
+ return 0;
+ }
+}
+
+int tmedia_denoise_deinit(tmedia_denoise_t* self)
+{
+ if(!self){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+
+ if(self->opened){
+ tmedia_denoise_close(self);
+ }
+
+ return 0;
+}
+
+int tmedia_denoise_plugin_register(const tmedia_denoise_plugin_def_t* plugin)
+{
+ if(!plugin){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+ __tmedia_denoise_plugin = plugin;
+ return 0;
+}
+
+int tmedia_denoise_plugin_unregister()
+{
+ __tmedia_denoise_plugin = tsk_null;
+ return 0;
+}
+
+tmedia_denoise_t* tmedia_denoise_create()
+{
+ tmedia_denoise_t* denoise = tsk_null;
+
+ if(__tmedia_denoise_plugin){
+ if((denoise = tsk_object_new(__tmedia_denoise_plugin->objdef))){
+ denoise->plugin = __tmedia_denoise_plugin;
+ }
+ }
+ return denoise;
+}
|
