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139f4dc7ac
optional<int> initial_bitrate_interval_ms: time interval since start of call where fast adapt down is allowed. optional<double> initial_bitrate_factor: try fast adapt down if bw estimate is below initial bitrate * factor. Bug: none Change-Id: I63e1fdaac6556d8e9a961a42e11c925f9ecb9771 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/147725 Reviewed-by: Sergey Silkin <ssilkin@webrtc.org> Commit-Queue: Åsa Persson <asapersson@webrtc.org> Cr-Commit-Position: refs/heads/master@{#28753}
103 lines
3.9 KiB
C++
103 lines
3.9 KiB
C++
/*
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* Copyright 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 "rtc_base/experiments/quality_scaler_settings.h"
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#include "test/field_trial.h"
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#include "test/gtest.h"
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namespace webrtc {
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namespace {
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TEST(QualityScalerSettingsTest, ValuesNotSetByDefault) {
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const auto settings = QualityScalerSettings::ParseFromFieldTrials();
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EXPECT_FALSE(settings.MinFrames());
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EXPECT_FALSE(settings.InitialScaleFactor());
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EXPECT_FALSE(settings.ScaleFactor());
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EXPECT_FALSE(settings.InitialBitrateIntervalMs());
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EXPECT_FALSE(settings.InitialBitrateFactor());
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}
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TEST(QualityScalerSettingsTest, ParseMinFrames) {
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test::ScopedFieldTrials field_trials(
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"WebRTC-Video-QualityScalerSettings/min_frames:100/");
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EXPECT_EQ(100, QualityScalerSettings::ParseFromFieldTrials().MinFrames());
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}
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TEST(QualityScalerSettingsTest, ParseInitialScaleFactor) {
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test::ScopedFieldTrials field_trials(
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"WebRTC-Video-QualityScalerSettings/initial_scale_factor:1.5/");
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EXPECT_EQ(1.5,
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QualityScalerSettings::ParseFromFieldTrials().InitialScaleFactor());
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}
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TEST(QualityScalerSettingsTest, ParseScaleFactor) {
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test::ScopedFieldTrials field_trials(
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"WebRTC-Video-QualityScalerSettings/scale_factor:1.1/");
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EXPECT_EQ(1.1, QualityScalerSettings::ParseFromFieldTrials().ScaleFactor());
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}
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TEST(QualityScalerSettingsTest, ParseInitialBitrateInterval) {
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test::ScopedFieldTrials field_trials(
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"WebRTC-Video-QualityScalerSettings/initial_bitrate_interval_ms:1000/");
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EXPECT_EQ(
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1000,
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QualityScalerSettings::ParseFromFieldTrials().InitialBitrateIntervalMs());
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}
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TEST(QualityScalerSettingsTest, ParseInitialBitrateFactor) {
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test::ScopedFieldTrials field_trials(
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"WebRTC-Video-QualityScalerSettings/initial_bitrate_factor:0.75/");
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EXPECT_EQ(
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0.75,
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QualityScalerSettings::ParseFromFieldTrials().InitialBitrateFactor());
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}
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TEST(QualityScalerSettingsTest, ParseAll) {
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test::ScopedFieldTrials field_trials(
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"WebRTC-Video-QualityScalerSettings/"
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"min_frames:100,initial_scale_factor:1.5,scale_factor:0.9,"
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"initial_bitrate_interval_ms:5500,initial_bitrate_factor:0.7/");
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const auto settings = QualityScalerSettings::ParseFromFieldTrials();
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EXPECT_EQ(100, settings.MinFrames());
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EXPECT_EQ(1.5, settings.InitialScaleFactor());
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EXPECT_EQ(0.9, settings.ScaleFactor());
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EXPECT_EQ(5500, settings.InitialBitrateIntervalMs());
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EXPECT_EQ(0.7, settings.InitialBitrateFactor());
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}
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TEST(QualityScalerSettingsTest, DoesNotParseIncorrectValue) {
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test::ScopedFieldTrials field_trials(
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"WebRTC-Video-QualityScalerSettings/"
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"min_frames:a,initial_scale_factor:b,scale_factor:c,"
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"initial_bitrate_interval_ms:d,initial_bitrate_factor:e/");
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const auto settings = QualityScalerSettings::ParseFromFieldTrials();
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EXPECT_FALSE(settings.MinFrames());
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EXPECT_FALSE(settings.InitialScaleFactor());
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EXPECT_FALSE(settings.ScaleFactor());
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EXPECT_FALSE(settings.InitialBitrateIntervalMs());
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EXPECT_FALSE(settings.InitialBitrateFactor());
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}
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TEST(QualityScalerSettingsTest, DoesNotReturnTooSmallValue) {
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test::ScopedFieldTrials field_trials(
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"WebRTC-Video-QualityScalerSettings/"
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"min_frames:0,initial_scale_factor:0.0,scale_factor:0.0,"
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"initial_bitrate_interval_ms:-1,initial_bitrate_factor:0.0/");
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const auto settings = QualityScalerSettings::ParseFromFieldTrials();
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EXPECT_FALSE(settings.MinFrames());
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EXPECT_FALSE(settings.InitialScaleFactor());
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EXPECT_FALSE(settings.ScaleFactor());
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EXPECT_FALSE(settings.InitialBitrateIntervalMs());
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EXPECT_FALSE(settings.InitialBitrateFactor());
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}
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} // namespace
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} // namespace webrtc
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