chromium/third_party/webrtc/modules/audio_processing/aec3/echo_remover_metrics.cc

/*
 *  Copyright (c) 2017 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/aec3/echo_remover_metrics.h"

#include <math.h>
#include <stddef.h>

#include <algorithm>
#include <cmath>
#include <numeric>

#include "rtc_base/checks.h"
#include "rtc_base/numerics/safe_minmax.h"
#include "system_wrappers/include/metrics.h"

namespace webrtc {

EchoRemoverMetrics::DbMetric::DbMetric() : … { … }
EchoRemoverMetrics::DbMetric::DbMetric(float sum_value,
                                       float floor_value,
                                       float ceil_value)
    : … { … }

void EchoRemoverMetrics::DbMetric::Update(float value) { … }

void EchoRemoverMetrics::DbMetric::UpdateInstant(float value) { … }

EchoRemoverMetrics::EchoRemoverMetrics() { … }

void EchoRemoverMetrics::ResetMetrics() { … }

void EchoRemoverMetrics::Update(
    const AecState& aec_state,
    const std::array<float, kFftLengthBy2Plus1>& comfort_noise_spectrum,
    const std::array<float, kFftLengthBy2Plus1>& suppressor_gain) { … }

namespace aec3 {

void UpdateDbMetric(const std::array<float, kFftLengthBy2Plus1>& value,
                    std::array<EchoRemoverMetrics::DbMetric, 2>* statistic) { … }

int TransformDbMetricForReporting(bool negate,
                                  float min_value,
                                  float max_value,
                                  float offset,
                                  float scaling,
                                  float value) { … }

}  // namespace aec3

}  // namespace webrtc