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/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "modules/audio_processing/ns/noise_suppression_x.h"
#include <stdlib.h>
#include "common_audio/signal_processing/include/real_fft.h"
#include "modules/audio_processing/ns/nsx_core.h"
#include "modules/audio_processing/ns/nsx_defines.h"
NsxHandle* WebRtcNsx_Create() {
NoiseSuppressionFixedC* self = malloc(sizeof(NoiseSuppressionFixedC));
WebRtcSpl_Init();
self->real_fft = NULL;
self->initFlag = 0;
return (NsxHandle*)self;
}
void WebRtcNsx_Free(NsxHandle* nsxInst) {
WebRtcSpl_FreeRealFFT(((NoiseSuppressionFixedC*)nsxInst)->real_fft);
free(nsxInst);
}
int WebRtcNsx_Init(NsxHandle* nsxInst, uint32_t fs) {
return WebRtcNsx_InitCore((NoiseSuppressionFixedC*)nsxInst, fs);
}
int WebRtcNsx_set_policy(NsxHandle* nsxInst, int mode) {
return WebRtcNsx_set_policy_core((NoiseSuppressionFixedC*)nsxInst, mode);
}
void WebRtcNsx_Process(NsxHandle* nsxInst,
const short* const* speechFrame,
int num_bands,
short* const* outFrame) {
WebRtcNsx_ProcessCore((NoiseSuppressionFixedC*)nsxInst, speechFrame,
num_bands, outFrame);
}
const uint32_t* WebRtcNsx_noise_estimate(const NsxHandle* nsxInst,
int* q_noise) {
*q_noise = 11;
const NoiseSuppressionFixedC* self = (const NoiseSuppressionFixedC*)nsxInst;
if (nsxInst == NULL || self->initFlag == 0) {
return NULL;
}
*q_noise += self->prevQNoise;
return self->prevNoiseU32;
}
size_t WebRtcNsx_num_freq() {
return HALF_ANAL_BLOCKL;
}
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