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74158ff761
Split out `RelativeArrivalDelayTracker` and `DelayOptimizer` logic. This is in preparation for adding another `DelayOptimizer` specialized in handling reordered packets. Bug: webrtc:10178 Change-Id: Id3c1746d91980b171fa524f9b2b71cf11fc75f64 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/231224 Commit-Queue: Jakob Ivarsson <jakobi@webrtc.org> Reviewed-by: Ivo Creusen <ivoc@webrtc.org> Cr-Commit-Position: refs/heads/main@{#34938}
42 lines
1.4 KiB
C++
42 lines
1.4 KiB
C++
/*
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* Copyright (c) 2021 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/underrun_optimizer.h"
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#include "test/gtest.h"
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namespace webrtc {
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namespace {
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constexpr int kDefaultHistogramQuantile = 1020054733; // 0.95 in Q30.
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constexpr int kForgetFactor = 32745; // 0.9993 in Q15.
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} // namespace
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TEST(UnderrunOptimizerTest, ResamplePacketDelays) {
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TickTimer tick_timer;
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constexpr int kResampleIntervalMs = 500;
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UnderrunOptimizer underrun_optimizer(&tick_timer, kDefaultHistogramQuantile,
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kForgetFactor, absl::nullopt,
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kResampleIntervalMs);
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// The histogram should be updated once with the maximum delay observed for
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// the following sequence of updates.
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for (int i = 0; i < 500; i += 20) {
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underrun_optimizer.Update(i);
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EXPECT_FALSE(underrun_optimizer.GetOptimalDelayMs());
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}
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tick_timer.Increment(kResampleIntervalMs / tick_timer.ms_per_tick() + 1);
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underrun_optimizer.Update(0);
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EXPECT_EQ(underrun_optimizer.GetOptimalDelayMs(), 500);
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}
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} // namespace webrtc
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