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bd5874accf
Also remove the delay peak detector which is no longer used. This should be a no-op since relative arrival delay mode is used by default. Bug: webrtc:10333 Change-Id: Ifa326b762d52f16f9dc5f3da2874139faf1022da Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/164462 Reviewed-by: Ivo Creusen <ivoc@webrtc.org> Commit-Queue: Jakob Ivarsson <jakobi@webrtc.org> Cr-Commit-Position: refs/heads/master@{#30179}
73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/*
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* Copyright (c) 2019 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_coding/neteq/histogram.h"
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#include <cmath>
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#include "test/gtest.h"
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namespace webrtc {
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TEST(HistogramTest, Initialization) {
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Histogram histogram(65, 32440);
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histogram.Reset();
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const auto& buckets = histogram.buckets();
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double sum = 0.0;
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for (size_t i = 0; i < buckets.size(); i++) {
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EXPECT_NEAR(ldexp(std::pow(0.5, static_cast<int>(i + 1)), 30), buckets[i],
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65537);
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// Tolerance 65537 in Q30 corresponds to a delta of approximately 0.00006.
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sum += buckets[i];
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}
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EXPECT_EQ(1 << 30, static_cast<int>(sum)); // Should be 1 in Q30.
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}
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TEST(HistogramTest, Add) {
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Histogram histogram(10, 32440);
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histogram.Reset();
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const std::vector<int> before = histogram.buckets();
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const int index = 5;
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histogram.Add(index);
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const std::vector<int> after = histogram.buckets();
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EXPECT_GT(after[index], before[index]);
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int sum = 0;
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for (int bucket : after) {
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sum += bucket;
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}
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EXPECT_EQ(1 << 30, sum);
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}
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TEST(HistogramTest, ForgetFactor) {
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Histogram histogram(10, 32440);
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histogram.Reset();
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const std::vector<int> before = histogram.buckets();
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const int index = 4;
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histogram.Add(index);
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const std::vector<int> after = histogram.buckets();
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for (int i = 0; i < histogram.NumBuckets(); ++i) {
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if (i != index) {
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EXPECT_LT(after[i], before[i]);
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}
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}
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}
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TEST(HistogramTest, ReachSteadyStateForgetFactor) {
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static constexpr int kSteadyStateForgetFactor = (1 << 15) * 0.9993;
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Histogram histogram(100, kSteadyStateForgetFactor, 1.0);
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histogram.Reset();
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int n = (1 << 15) / ((1 << 15) - kSteadyStateForgetFactor);
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for (int i = 0; i < n; ++i) {
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histogram.Add(0);
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}
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EXPECT_EQ(histogram.forget_factor_for_testing(), kSteadyStateForgetFactor);
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}
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} // namespace webrtc
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