53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
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/*
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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_SUBTRACTOR_OUTPUT_H_
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#define MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_H_
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#include <array>
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#include "api/array_view.h"
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#include "modules/audio_processing/aec3/aec3_common.h"
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#include "modules/audio_processing/aec3/fft_data.h"
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namespace webrtc {
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// Stores the values being returned from the echo subtractor for a single
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// capture channel.
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struct SubtractorOutput {
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SubtractorOutput();
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~SubtractorOutput();
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std::array<float, kBlockSize> s_refined;
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std::array<float, kBlockSize> s_coarse;
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std::array<float, kBlockSize> e_refined;
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std::array<float, kBlockSize> e_coarse;
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FftData E_refined;
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std::array<float, kFftLengthBy2Plus1> E2_refined;
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std::array<float, kFftLengthBy2Plus1> E2_coarse;
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float s2_refined = 0.f;
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float s2_coarse = 0.f;
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float e2_refined = 0.f;
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float e2_coarse = 0.f;
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float y2 = 0.f;
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float s_refined_max_abs = 0.f;
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float s_coarse_max_abs = 0.f;
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// Reset the struct content.
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void Reset();
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// Updates the powers of the signals.
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void ComputeMetrics(rtc::ArrayView<const float> y);
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};
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} // namespace webrtc
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#endif // MODULES_AUDIO_PROCESSING_AEC3_SUBTRACTOR_OUTPUT_H_
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