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In order to eliminate the WebRTC Subtree mirror in Chromium, WebRTC is moving the content of the src/webrtc directory up to the src/ directory. NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iac59c5b51b950f174119565bac87955a7994bc38 Reviewed-on: https://webrtc-review.googlesource.com/1560 Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19845}
96 lines
3.4 KiB
C++
96 lines
3.4 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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#include "webrtc/modules/audio_processing/aec3/suppression_gain.h"
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#include "webrtc/rtc_base/checks.h"
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#include "webrtc/system_wrappers/include/cpu_features_wrapper.h"
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#include "webrtc/test/gtest.h"
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#include "webrtc/typedefs.h"
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namespace webrtc {
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namespace aec3 {
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#if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
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// Verifies that the check for non-null output gains works.
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TEST(SuppressionGain, NullOutputGains) {
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std::array<float, kFftLengthBy2Plus1> E2;
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std::array<float, kFftLengthBy2Plus1> R2;
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std::array<float, kFftLengthBy2Plus1> N2;
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E2.fill(0.f);
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R2.fill(0.f);
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N2.fill(0.f);
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float high_bands_gain;
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EXPECT_DEATH(SuppressionGain(AudioProcessing::Config::EchoCanceller3{},
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DetectOptimization())
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.GetGain(E2, R2, N2, RenderSignalAnalyzer(), false,
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std::vector<std::vector<float>>(
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3, std::vector<float>(kBlockSize, 0.f)),
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false, &high_bands_gain, nullptr),
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"");
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}
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#endif
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// Does a sanity check that the gains are correctly computed.
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TEST(SuppressionGain, BasicGainComputation) {
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SuppressionGain suppression_gain(AudioProcessing::Config::EchoCanceller3(),
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DetectOptimization());
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RenderSignalAnalyzer analyzer;
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float high_bands_gain;
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std::array<float, kFftLengthBy2Plus1> E2;
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std::array<float, kFftLengthBy2Plus1> R2;
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std::array<float, kFftLengthBy2Plus1> N2;
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std::array<float, kFftLengthBy2Plus1> g;
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std::vector<std::vector<float>> x(1, std::vector<float>(kBlockSize, 0.f));
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// Ensure that a strong noise is detected to mask any echoes.
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E2.fill(10.f);
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R2.fill(0.1f);
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N2.fill(100.f);
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for (int k = 0; k < 10; ++k) {
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suppression_gain.GetGain(E2, R2, N2, analyzer, false, x, false,
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&high_bands_gain, &g);
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}
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std::for_each(g.begin(), g.end(),
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[](float a) { EXPECT_NEAR(1.f, a, 0.001); });
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// Ensure that a strong nearend is detected to mask any echoes.
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E2.fill(100.f);
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R2.fill(0.1f);
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N2.fill(0.f);
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for (int k = 0; k < 10; ++k) {
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suppression_gain.GetGain(E2, R2, N2, analyzer, false, x, false,
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&high_bands_gain, &g);
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}
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std::for_each(g.begin(), g.end(),
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[](float a) { EXPECT_NEAR(1.f, a, 0.001); });
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// Ensure that a strong echo is suppressed.
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E2.fill(1000000000.f);
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R2.fill(10000000000000.f);
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N2.fill(0.f);
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for (int k = 0; k < 10; ++k) {
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suppression_gain.GetGain(E2, R2, N2, analyzer, false, x, false,
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&high_bands_gain, &g);
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}
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std::for_each(g.begin(), g.end(),
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[](float a) { EXPECT_NEAR(0.f, a, 0.001); });
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// Verify the functionality for forcing a zero gain.
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suppression_gain.GetGain(E2, R2, N2, analyzer, false, x, true,
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&high_bands_gain, &g);
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std::for_each(g.begin(), g.end(), [](float a) { EXPECT_FLOAT_EQ(0.f, a); });
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EXPECT_FLOAT_EQ(0.f, high_bands_gain);
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}
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} // namespace aec3
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} // namespace webrtc
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