68d6d44197
This CL concludes the post-launch removal of kill-switches is AEC3. Kill-switches removed: WebRTC-Aec3AdaptErleOnLowRenderKillSwitch WebRTC-Aec3AgcGainChangeResponseKillSwitch WebRTC-Aec3BoundedNearendKillSwitch WebRTC-Aec3EarlyShadowFilterJumpstartKillSwitch WebRTC-Aec3EnableAdaptiveEchoReverbEstimation WebRTC-Aec3EnforceSkewHysteresis1 WebRTC-Aec3EnforceSkewHysteresis2 WebRTC-Aec3FilterAnalyzerPreprocessorKillSwitch WebRTC-Aec3MisadjustmentEstimatorKillSwitch WebRTC-Aec3OverrideEchoPathGainKillSwitch WebRTC-Aec3RapidAgcGainRecoveryKillSwitch WebRTC-Aec3ResetErleAtGainChangesKillSwitch WebRTC-Aec3ShadowFilterBoostedJumpstartKillSwitch WebRTC-Aec3ShadowFilterJumpstartKillSwitch WebRTC-Aec3SmoothSignalTransitionsKillSwitch WebRTC-Aec3SmoothUpdatesTailFreqRespKillSwitch WebRTC-Aec3SoftTransparentModeKillSwitch WebRTC-Aec3StandardNonlinearReverbModelKillSwitch WebRTC-Aec3StrictDivergenceCheckKillSwitch WebRTC-Aec3UseOffsetBlocks WebRTC-Aec3UseStationarityPropertiesKillSwitch WebRTC-Aec3UtilizeShadowFilterOutputKillSwitch WebRTC-Aec3ZeroExternalDelayHeadroomKillSwitch WebRTC-Aec3FilterQualityStateKillSwitch WebRTC-Aec3NewSaturationBehaviorKillSwitch WebRTC-Aec3GainLimiterDeactivationKillSwitch WebRTC-Aec3EnableErleUpdatesDuringReverbKillSwitch The change has been tested for bit-exactness. Bug: webrtc:8671 Change-Id: I42816b9d1c875cec0347034c6e2ed4ff5db6ec0f Reviewed-on: https://webrtc-review.googlesource.com/c/119942 Commit-Queue: Gustaf Ullberg <gustaf@webrtc.org> Reviewed-by: Sam Zackrisson <saza@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26443}
79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef MODULES_AUDIO_PROCESSING_AEC3_SUBBAND_ERLE_ESTIMATOR_H_
|
|
#define MODULES_AUDIO_PROCESSING_AEC3_SUBBAND_ERLE_ESTIMATOR_H_
|
|
|
|
#include <stddef.h>
|
|
#include <array>
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
#include "api/array_view.h"
|
|
#include "api/audio/echo_canceller3_config.h"
|
|
#include "modules/audio_processing/aec3/aec3_common.h"
|
|
#include "modules/audio_processing/logging/apm_data_dumper.h"
|
|
|
|
namespace webrtc {
|
|
|
|
// Estimates the echo return loss enhancement for each frequency subband.
|
|
class SubbandErleEstimator {
|
|
public:
|
|
explicit SubbandErleEstimator(const EchoCanceller3Config& config);
|
|
~SubbandErleEstimator();
|
|
|
|
// Resets the ERLE estimator.
|
|
void Reset();
|
|
|
|
// Updates the ERLE estimate.
|
|
void Update(rtc::ArrayView<const float> X2,
|
|
rtc::ArrayView<const float> Y2,
|
|
rtc::ArrayView<const float> E2,
|
|
bool converged_filter,
|
|
bool onset_detection);
|
|
|
|
// Returns the ERLE estimate.
|
|
const std::array<float, kFftLengthBy2Plus1>& Erle() const { return erle_; }
|
|
|
|
// Returns the ERLE estimate at onsets.
|
|
rtc::ArrayView<const float> ErleOnsets() const { return erle_onsets_; }
|
|
|
|
void Dump(const std::unique_ptr<ApmDataDumper>& data_dumper) const;
|
|
|
|
private:
|
|
struct AccumulatedSpectra {
|
|
std::array<float, kFftLengthBy2Plus1> Y2_;
|
|
std::array<float, kFftLengthBy2Plus1> E2_;
|
|
std::array<bool, kFftLengthBy2Plus1> low_render_energy_;
|
|
std::array<int, kFftLengthBy2Plus1> num_points_;
|
|
};
|
|
|
|
void UpdateAccumulatedSpectra(rtc::ArrayView<const float> X2,
|
|
rtc::ArrayView<const float> Y2,
|
|
rtc::ArrayView<const float> E2);
|
|
|
|
void ResetAccumulatedSpectra();
|
|
|
|
void UpdateBands(bool onset_detection);
|
|
void DecreaseErlePerBandForLowRenderSignals();
|
|
|
|
const float min_erle_;
|
|
const std::array<float, kFftLengthBy2Plus1> max_erle_;
|
|
AccumulatedSpectra accum_spectra_;
|
|
std::array<float, kFftLengthBy2Plus1> erle_;
|
|
std::array<float, kFftLengthBy2Plus1> erle_onsets_;
|
|
std::array<bool, kFftLengthBy2Plus1> coming_onset_;
|
|
std::array<int, kFftLengthBy2Plus1> hold_counters_;
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // MODULES_AUDIO_PROCESSING_AEC3_SUBBAND_ERLE_ESTIMATOR_H_
|