blob: 711085f96f0894c7c5c29c86e722e977bb6b4f5d [file] [log] [blame]
* 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/erle_estimator.h"
#include "api/array_view.h"
#include "modules/audio_processing/aec3/aec3_common.h"
#include "modules/audio_processing/logging/apm_data_dumper.h"
namespace webrtc {
ErleEstimator::ErleEstimator(size_t startup_phase_length_blocks_,
float min_erle,
float max_erle_lf,
float max_erle_hf)
: startup_phase_length_blocks__(startup_phase_length_blocks_),
fullband_erle_estimator_(min_erle, max_erle_lf),
subband_erle_estimator_(min_erle, max_erle_lf, max_erle_hf) {
ErleEstimator::~ErleEstimator() = default;
void ErleEstimator::Reset(bool delay_change) {
if (delay_change) {
blocks_since_reset_ = 0;
void ErleEstimator::Update(rtc::ArrayView<const float> render_spectrum,
rtc::ArrayView<const float> capture_spectrum,
rtc::ArrayView<const float> subtractor_spectrum,
bool converged_filter,
bool onset_detection) {
RTC_DCHECK_EQ(kFftLengthBy2Plus1, render_spectrum.size());
RTC_DCHECK_EQ(kFftLengthBy2Plus1, capture_spectrum.size());
RTC_DCHECK_EQ(kFftLengthBy2Plus1, subtractor_spectrum.size());
const auto& X2 = render_spectrum;
const auto& Y2 = capture_spectrum;
const auto& E2 = subtractor_spectrum;
if (++blocks_since_reset_ < startup_phase_length_blocks__) {
subband_erle_estimator_.Update(X2, Y2, E2, converged_filter, onset_detection);
fullband_erle_estimator_.Update(X2, Y2, E2, converged_filter);
void ErleEstimator::Dump(
const std::unique_ptr<ApmDataDumper>& data_dumper) const {
} // namespace webrtc