blob: d490f0d45dc13ed9350f2c14c5fc913fd6b585a7 [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 <vector>
#include "webrtc/api/optional.h"
#include "webrtc/modules/audio_processing/aec3/matched_filter.h"
#include "webrtc/rtc_base/constructormagic.h"
namespace webrtc {
class ApmDataDumper;
// Aggregates lag estimates produced by the MatchedFilter class into a single
// reliable combined lag estimate.
class MatchedFilterLagAggregator {
MatchedFilterLagAggregator(ApmDataDumper* data_dumper,
size_t num_lag_estimates);
// Resets the aggregator.
void Reset();
// Aggregates the provided lag estimates.
rtc::Optional<size_t> Aggregate(
rtc::ArrayView<const MatchedFilter::LagEstimate> lag_estimates);
ApmDataDumper* const data_dumper_;
std::vector<size_t> lag_updates_in_a_row_;
size_t candidate_ = 0;
size_t candidate_counter_ = 0;
} // namespace webrtc