59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
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/*
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* Copyright (c) 2018 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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#include "modules/audio_processing/aec3/subtractor_output.h"
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#include <numeric>
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namespace webrtc {
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SubtractorOutput::SubtractorOutput() = default;
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SubtractorOutput::~SubtractorOutput() = default;
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void SubtractorOutput::Reset() {
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s_refined.fill(0.f);
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s_coarse.fill(0.f);
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e_refined.fill(0.f);
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e_coarse.fill(0.f);
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E_refined.re.fill(0.f);
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E_refined.im.fill(0.f);
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E2_refined.fill(0.f);
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E2_coarse.fill(0.f);
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e2_refined = 0.f;
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e2_coarse = 0.f;
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s2_refined = 0.f;
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s2_coarse = 0.f;
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y2 = 0.f;
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}
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void SubtractorOutput::ComputeMetrics(rtc::ArrayView<const float> y) {
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const auto sum_of_squares = [](float a, float b) { return a + b * b; };
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y2 = std::accumulate(y.begin(), y.end(), 0.f, sum_of_squares);
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e2_refined =
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std::accumulate(e_refined.begin(), e_refined.end(), 0.f, sum_of_squares);
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e2_coarse =
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std::accumulate(e_coarse.begin(), e_coarse.end(), 0.f, sum_of_squares);
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s2_refined =
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std::accumulate(s_refined.begin(), s_refined.end(), 0.f, sum_of_squares);
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s2_coarse =
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std::accumulate(s_coarse.begin(), s_coarse.end(), 0.f, sum_of_squares);
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s_refined_max_abs = *std::max_element(s_refined.begin(), s_refined.end());
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s_refined_max_abs =
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std::max(s_refined_max_abs,
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-(*std::min_element(s_refined.begin(), s_refined.end())));
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s_coarse_max_abs = *std::max_element(s_coarse.begin(), s_coarse.end());
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s_coarse_max_abs = std::max(
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s_coarse_max_abs, -(*std::min_element(s_coarse.begin(), s_coarse.end())));
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}
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} // namespace webrtc
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