From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../aec3/echo_remover_metrics_unittest.cc | 156 +++++++++++++++++++++ 1 file changed, 156 insertions(+) create mode 100644 third_party/libwebrtc/modules/audio_processing/aec3/echo_remover_metrics_unittest.cc (limited to 'third_party/libwebrtc/modules/audio_processing/aec3/echo_remover_metrics_unittest.cc') diff --git a/third_party/libwebrtc/modules/audio_processing/aec3/echo_remover_metrics_unittest.cc b/third_party/libwebrtc/modules/audio_processing/aec3/echo_remover_metrics_unittest.cc new file mode 100644 index 0000000000..45b30a9c74 --- /dev/null +++ b/third_party/libwebrtc/modules/audio_processing/aec3/echo_remover_metrics_unittest.cc @@ -0,0 +1,156 @@ +/* + * Copyright (c) 2017 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. + */ + +#include "modules/audio_processing/aec3/echo_remover_metrics.h" + +#include + +#include + +#include "modules/audio_processing/aec3/aec3_fft.h" +#include "modules/audio_processing/aec3/aec_state.h" +#include "test/gtest.h" + +namespace webrtc { + +#if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID) + +// Verifies the check for non-null input. +TEST(UpdateDbMetricDeathTest, NullValue) { + std::array value; + value.fill(0.f); + EXPECT_DEATH(aec3::UpdateDbMetric(value, nullptr), ""); +} + +#endif + +// Verifies the updating functionality of UpdateDbMetric. +TEST(UpdateDbMetric, Updating) { + std::array value; + std::array statistic; + statistic.fill(EchoRemoverMetrics::DbMetric(0.f, 100.f, -100.f)); + constexpr float kValue0 = 10.f; + constexpr float kValue1 = 20.f; + std::fill(value.begin(), value.begin() + 32, kValue0); + std::fill(value.begin() + 32, value.begin() + 64, kValue1); + + aec3::UpdateDbMetric(value, &statistic); + EXPECT_FLOAT_EQ(kValue0, statistic[0].sum_value); + EXPECT_FLOAT_EQ(kValue0, statistic[0].ceil_value); + EXPECT_FLOAT_EQ(kValue0, statistic[0].floor_value); + EXPECT_FLOAT_EQ(kValue1, statistic[1].sum_value); + EXPECT_FLOAT_EQ(kValue1, statistic[1].ceil_value); + EXPECT_FLOAT_EQ(kValue1, statistic[1].floor_value); + + aec3::UpdateDbMetric(value, &statistic); + EXPECT_FLOAT_EQ(2.f * kValue0, statistic[0].sum_value); + EXPECT_FLOAT_EQ(kValue0, statistic[0].ceil_value); + EXPECT_FLOAT_EQ(kValue0, statistic[0].floor_value); + EXPECT_FLOAT_EQ(2.f * kValue1, statistic[1].sum_value); + EXPECT_FLOAT_EQ(kValue1, statistic[1].ceil_value); + EXPECT_FLOAT_EQ(kValue1, statistic[1].floor_value); +} + +// Verifies that the TransformDbMetricForReporting method produces the desired +// output for values for dBFS. +TEST(TransformDbMetricForReporting, DbFsScaling) { + std::array x; + FftData X; + std::array X2; + Aec3Fft fft; + x.fill(1000.f); + fft.ZeroPaddedFft(x, Aec3Fft::Window::kRectangular, &X); + X.Spectrum(Aec3Optimization::kNone, X2); + + float offset = -10.f * std::log10(32768.f * 32768.f); + EXPECT_NEAR(offset, -90.3f, 0.1f); + EXPECT_EQ( + static_cast(30.3f), + aec3::TransformDbMetricForReporting( + true, 0.f, 90.f, offset, 1.f / (kBlockSize * kBlockSize), X2[0])); +} + +// Verifies that the TransformDbMetricForReporting method is able to properly +// limit the output. +TEST(TransformDbMetricForReporting, Limits) { + EXPECT_EQ(0, aec3::TransformDbMetricForReporting(false, 0.f, 10.f, 0.f, 1.f, + 0.001f)); + EXPECT_EQ(10, aec3::TransformDbMetricForReporting(false, 0.f, 10.f, 0.f, 1.f, + 100.f)); +} + +// Verifies that the TransformDbMetricForReporting method is able to properly +// negate output. +TEST(TransformDbMetricForReporting, Negate) { + EXPECT_EQ(10, aec3::TransformDbMetricForReporting(true, -20.f, 20.f, 0.f, 1.f, + 0.1f)); + EXPECT_EQ(-10, aec3::TransformDbMetricForReporting(true, -20.f, 20.f, 0.f, + 1.f, 10.f)); +} + +// Verify the Update functionality of DbMetric. +TEST(DbMetric, Update) { + EchoRemoverMetrics::DbMetric metric(0.f, 20.f, -20.f); + constexpr int kNumValues = 100; + constexpr float kValue = 10.f; + for (int k = 0; k < kNumValues; ++k) { + metric.Update(kValue); + } + EXPECT_FLOAT_EQ(kValue * kNumValues, metric.sum_value); + EXPECT_FLOAT_EQ(kValue, metric.ceil_value); + EXPECT_FLOAT_EQ(kValue, metric.floor_value); +} + +// Verify the Update functionality of DbMetric. +TEST(DbMetric, UpdateInstant) { + EchoRemoverMetrics::DbMetric metric(0.f, 20.f, -20.f); + constexpr float kMinValue = -77.f; + constexpr float kMaxValue = 33.f; + constexpr float kLastValue = (kMinValue + kMaxValue) / 2.0f; + for (float value = kMinValue; value <= kMaxValue; value++) + metric.UpdateInstant(value); + metric.UpdateInstant(kLastValue); + EXPECT_FLOAT_EQ(kLastValue, metric.sum_value); + EXPECT_FLOAT_EQ(kMaxValue, metric.ceil_value); + EXPECT_FLOAT_EQ(kMinValue, metric.floor_value); +} + +// Verify the constructor functionality of DbMetric. +TEST(DbMetric, Constructor) { + EchoRemoverMetrics::DbMetric metric; + EXPECT_FLOAT_EQ(0.f, metric.sum_value); + EXPECT_FLOAT_EQ(0.f, metric.ceil_value); + EXPECT_FLOAT_EQ(0.f, metric.floor_value); + + metric = EchoRemoverMetrics::DbMetric(1.f, 2.f, 3.f); + EXPECT_FLOAT_EQ(1.f, metric.sum_value); + EXPECT_FLOAT_EQ(2.f, metric.floor_value); + EXPECT_FLOAT_EQ(3.f, metric.ceil_value); +} + +// Verify the general functionality of EchoRemoverMetrics. +TEST(EchoRemoverMetrics, NormalUsage) { + EchoRemoverMetrics metrics; + AecState aec_state(EchoCanceller3Config{}, 1); + std::array comfort_noise_spectrum; + std::array suppressor_gain; + comfort_noise_spectrum.fill(10.f); + suppressor_gain.fill(1.f); + for (int j = 0; j < 3; ++j) { + for (int k = 0; k < kMetricsReportingIntervalBlocks - 1; ++k) { + metrics.Update(aec_state, comfort_noise_spectrum, suppressor_gain); + EXPECT_FALSE(metrics.MetricsReported()); + } + metrics.Update(aec_state, comfort_noise_spectrum, suppressor_gain); + EXPECT_TRUE(metrics.MetricsReported()); + } +} + +} // namespace webrtc -- cgit v1.2.3