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988cc0870b
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}
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_AUDIO_PROCESSING_AEC3_REVERB_MODEL_FALLBACK_H_
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#define MODULES_AUDIO_PROCESSING_AEC3_REVERB_MODEL_FALLBACK_H_
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#include <stddef.h>
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#include <array>
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#include <vector>
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#include "modules/audio_processing/aec3/aec3_common.h"
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namespace webrtc {
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// The ReverbModelFallback class describes an exponential reverberant model.
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// This model is expected to be applied over the echo power spectrum that
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// is estimated by the linear filter.
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class ReverbModelFallback {
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public:
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explicit ReverbModelFallback(size_t length_blocks);
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~ReverbModelFallback();
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// Resets the state
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void Reset();
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// Adds the estimated unmodelled echo power to the residual echo power
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// estimate.
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void AddEchoReverb(const std::array<float, kFftLengthBy2Plus1>& S2,
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size_t delay,
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float reverb_decay_factor,
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std::array<float, kFftLengthBy2Plus1>* R2);
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// Returns the current power spectrum reverberation contributions.
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const std::array<float, kFftLengthBy2Plus1>& GetPowerSpectrum() const {
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return R2_reverb_;
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}
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private:
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std::array<float, kFftLengthBy2Plus1> R2_reverb_;
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int S2_old_index_ = 0;
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std::vector<std::array<float, kFftLengthBy2Plus1>> S2_old_;
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};
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} // namespace webrtc
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#endif // MODULES_AUDIO_PROCESSING_AEC3_REVERB_MODEL_FALLBACK_H_
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