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

/*
 *  Copyright (c) 2020 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/transparent_mode.h"

#include "rtc_base/checks.h"
#include "rtc_base/logging.h"
#include "system_wrappers/include/field_trial.h"

namespace webrtc {
namespace {

constexpr size_t kBlocksSinceConvergencedFilterInit = …;
constexpr size_t kBlocksSinceConsistentEstimateInit = …;
constexpr float kInitialTransparentStateProbability = …;

bool DeactivateTransparentMode() { … }

bool ActivateTransparentModeHmm() { … }

}  // namespace

// Classifier that toggles transparent mode which reduces echo suppression when
// headsets are used.
class TransparentModeImpl : public TransparentMode { … };

// Legacy classifier for toggling transparent mode.
class LegacyTransparentModeImpl : public TransparentMode { … };

std::unique_ptr<TransparentMode> TransparentMode::Create(
    const EchoCanceller3Config& config) { … }

}  // namespace webrtc