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Update to current webrtc library

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This is from the upstream library commit id
3326535126e435f1ba647885ce43a8f0f3d317eb, corresponding to Chromium
88.0.4290.1.
This commit is contained in:
Arun Raghavan
2020-10-12 18:08:02 -04:00
parent b1b02581d3
commit bcec8b0b21
859 changed files with 76187 additions and 49580 deletions
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45
webrtc/modules/audio_processing/ns/quantile_noise_estimator.h Normal file
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/*
* Copyright (c) 2019 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.
*/
#ifndef MODULES_AUDIO_PROCESSING_NS_QUANTILE_NOISE_ESTIMATOR_H_
#define MODULES_AUDIO_PROCESSING_NS_QUANTILE_NOISE_ESTIMATOR_H_
#include <math.h>
#include <array>
#include "api/array_view.h"
#include "modules/audio_processing/ns/ns_common.h"
namespace webrtc {
constexpr int kSimult = 3;
// For quantile noise estimation.
class QuantileNoiseEstimator {
public:
QuantileNoiseEstimator();
QuantileNoiseEstimator(const QuantileNoiseEstimator&) = delete;
QuantileNoiseEstimator& operator=(const QuantileNoiseEstimator&) = delete;
// Estimate noise.
void Estimate(rtc::ArrayView<const float, kFftSizeBy2Plus1> signal_spectrum,
rtc::ArrayView<float, kFftSizeBy2Plus1> noise_spectrum);
private:
std::array<float, kSimult * kFftSizeBy2Plus1> density_;
std::array<float, kSimult * kFftSizeBy2Plus1> log_quantile_;
std::array<float, kFftSizeBy2Plus1> quantile_;
std::array<int, kSimult> counter_;
int num_updates_ = 1;
};
} // namespace webrtc
#endif // MODULES_AUDIO_PROCESSING_NS_QUANTILE_NOISE_ESTIMATOR_H_