72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "modules/audio_processing/ns/noise_suppression.h"
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#include <stdlib.h>
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#include <string.h>
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#include "common_audio/signal_processing/include/signal_processing_library.h"
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#include "modules/audio_processing/ns/defines.h"
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#include "modules/audio_processing/ns/ns_core.h"
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NsHandle* WebRtcNs_Create() {
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NoiseSuppressionC* self = malloc(sizeof(NoiseSuppressionC));
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self->initFlag = 0;
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return (NsHandle*)self;
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}
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void WebRtcNs_Free(NsHandle* NS_inst) {
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free(NS_inst);
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}
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int WebRtcNs_Init(NsHandle* NS_inst, uint32_t fs) {
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return WebRtcNs_InitCore((NoiseSuppressionC*)NS_inst, fs);
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}
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int WebRtcNs_set_policy(NsHandle* NS_inst, int mode) {
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return WebRtcNs_set_policy_core((NoiseSuppressionC*)NS_inst, mode);
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}
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void WebRtcNs_Analyze(NsHandle* NS_inst, const float* spframe) {
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WebRtcNs_AnalyzeCore((NoiseSuppressionC*)NS_inst, spframe);
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}
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void WebRtcNs_Process(NsHandle* NS_inst,
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const float* const* spframe,
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size_t num_bands,
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float* const* outframe) {
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WebRtcNs_ProcessCore((NoiseSuppressionC*)NS_inst, spframe, num_bands,
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outframe);
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}
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float WebRtcNs_prior_speech_probability(NsHandle* handle) {
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NoiseSuppressionC* self = (NoiseSuppressionC*)handle;
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if (handle == NULL) {
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return -1;
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}
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if (self->initFlag == 0) {
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return -1;
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}
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return self->priorSpeechProb;
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}
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const float* WebRtcNs_noise_estimate(const NsHandle* handle) {
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const NoiseSuppressionC* self = (const NoiseSuppressionC*)handle;
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if (handle == NULL || self->initFlag == 0) {
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return NULL;
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}
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return self->noise;
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}
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size_t WebRtcNs_num_freq() {
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return HALF_ANAL_BLOCKL;
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}
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