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

/*
 *  Copyright (c) 2018 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_audibility.h"

#include <algorithm>
#include <cmath>
#include <utility>
#include <vector>

#include "api/array_view.h"
#include "modules/audio_processing/aec3/block_buffer.h"
#include "modules/audio_processing/aec3/spectrum_buffer.h"
#include "modules/audio_processing/aec3/stationarity_estimator.h"

namespace webrtc {

EchoAudibility::EchoAudibility(bool use_render_stationarity_at_init)
    : … { … }

EchoAudibility::~EchoAudibility() = default;

void EchoAudibility::Update(const RenderBuffer& render_buffer,
                            rtc::ArrayView<const float> average_reverb,
                            int delay_blocks,
                            bool external_delay_seen) { … }

void EchoAudibility::Reset() { … }

void EchoAudibility::UpdateRenderStationarityFlags(
    const RenderBuffer& render_buffer,
    rtc::ArrayView<const float> average_reverb,
    int min_channel_delay_blocks) { … }

void EchoAudibility::UpdateRenderNoiseEstimator(
    const SpectrumBuffer& spectrum_buffer,
    const BlockBuffer& block_buffer,
    bool external_delay_seen) { … }

bool EchoAudibility::IsRenderTooLow(const BlockBuffer& block_buffer) { … }

}  // namespace webrtc