chromium/third_party/webrtc/modules/audio_processing/aec3/refined_filter_update_gain.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/refined_filter_update_gain.h"

#include <algorithm>
#include <functional>

#include "modules/audio_processing/aec3/adaptive_fir_filter.h"
#include "modules/audio_processing/aec3/aec3_common.h"
#include "modules/audio_processing/aec3/echo_path_variability.h"
#include "modules/audio_processing/aec3/fft_data.h"
#include "modules/audio_processing/aec3/render_signal_analyzer.h"
#include "modules/audio_processing/aec3/subtractor_output.h"
#include "modules/audio_processing/logging/apm_data_dumper.h"
#include "rtc_base/checks.h"

namespace webrtc {
namespace {

constexpr float kHErrorInitial = …;
constexpr int kPoorExcitationCounterInitial = …;

}  // namespace

std::atomic<int> RefinedFilterUpdateGain::instance_count_(0);

RefinedFilterUpdateGain::RefinedFilterUpdateGain(
    const EchoCanceller3Config::Filter::RefinedConfiguration& config,
    size_t config_change_duration_blocks)
    : … { … }

RefinedFilterUpdateGain::~RefinedFilterUpdateGain() { … }

void RefinedFilterUpdateGain::HandleEchoPathChange(
    const EchoPathVariability& echo_path_variability) { … }

void RefinedFilterUpdateGain::Compute(
    const std::array<float, kFftLengthBy2Plus1>& render_power,
    const RenderSignalAnalyzer& render_signal_analyzer,
    const SubtractorOutput& subtractor_output,
    rtc::ArrayView<const float> erl,
    size_t size_partitions,
    bool saturated_capture_signal,
    bool disallow_leakage_diverged,
    FftData* gain_fft) { … }

void RefinedFilterUpdateGain::UpdateCurrentConfig() { … }

}  // namespace webrtc