webrtc/modules/audio_processing/aec3/reverb_frequency_response.h
Yves Gerey 988cc0870b [Cleanup] Add missing #include. Remove useless ones.
This CL is the result of running include-what-you-use tool on part
of the code base (audio target and dependencies) plus manual fixes.

bug: webrtc:8311
Change-Id: I277d281ce943c3ecc1bd45fd8d83055931743604
Reviewed-on: https://webrtc-review.googlesource.com/c/106280
Commit-Queue: Yves Gerey <yvesg@google.com>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25311}
2018-10-23 11:32:56 +00:00

54 lines
1.7 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_REVERB_FREQUENCY_RESPONSE_H_
#define MODULES_AUDIO_PROCESSING_AEC3_REVERB_FREQUENCY_RESPONSE_H_
#include <array>
#include <vector>
#include "absl/types/optional.h"
#include "api/array_view.h"
#include "modules/audio_processing/aec3/aec3_common.h"
namespace webrtc {
// Class for updating the frequency response for the reverb.
class ReverbFrequencyResponse {
public:
ReverbFrequencyResponse();
~ReverbFrequencyResponse();
// Updates the frequency response estimate of the reverb.
void Update(const std::vector<std::array<float, kFftLengthBy2Plus1>>&
frequency_response,
int filter_delay_blocks,
const absl::optional<float>& linear_filter_quality,
bool stationary_block);
// Returns the estimated frequency response for the reverb.
rtc::ArrayView<const float> FrequencyResponse() const {
return tail_response_;
}
private:
void Update(const std::vector<std::array<float, kFftLengthBy2Plus1>>&
frequency_response,
int filter_delay_blocks,
float linear_filter_quality);
const bool enable_smooth_tail_response_updates_;
float average_decay_ = 0.f;
std::array<float, kFftLengthBy2Plus1> tail_response_;
};
} // namespace webrtc
#endif // MODULES_AUDIO_PROCESSING_AEC3_REVERB_FREQUENCY_RESPONSE_H_