blob: 0c1450557ab5fd9ea60e16d103c6d70f37e65c22 [file] [log] [blame]
/*
* Copyright 2018 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 "rtc_base/experiments/quality_scaling_experiment.h"
#include "test/gtest.h"
#include "test/scoped_key_value_config.h"
namespace webrtc {
namespace {
void ExpectEqualSettings(QualityScalingExperiment::Settings a,
QualityScalingExperiment::Settings b) {
EXPECT_EQ(a.vp8_low, b.vp8_low);
EXPECT_EQ(a.vp8_high, b.vp8_high);
EXPECT_EQ(a.vp9_low, b.vp9_low);
EXPECT_EQ(a.vp9_high, b.vp9_high);
EXPECT_EQ(a.h264_low, b.h264_low);
EXPECT_EQ(a.h264_high, b.h264_high);
EXPECT_EQ(a.generic_low, b.generic_low);
EXPECT_EQ(a.generic_high, b.generic_high);
EXPECT_EQ(a.alpha_high, b.alpha_high);
EXPECT_EQ(a.alpha_low, b.alpha_low);
EXPECT_EQ(a.drop, b.drop);
}
void ExpectEqualConfig(QualityScalingExperiment::Config a,
QualityScalingExperiment::Config b) {
EXPECT_EQ(a.alpha_high, b.alpha_high);
EXPECT_EQ(a.alpha_low, b.alpha_low);
EXPECT_EQ(a.use_all_drop_reasons, b.use_all_drop_reasons);
}
} // namespace
#if !defined(WEBRTC_IOS)
// TODO(bugs.webrtc.org/12401): investigate why QualityScaler kicks in on iOS.
TEST(QualityScalingExperimentTest, DefaultEnabledWithoutFieldTrial) {
webrtc::test::ScopedKeyValueConfig field_trials("");
EXPECT_TRUE(QualityScalingExperiment::Enabled(field_trials));
}
#else
TEST(QualityScalingExperimentTest, DefaultDisabledWithoutFieldTrialIOS) {
webrtc::test::ScopedKeyValueConfig field_trials("");
EXPECT_FALSE(QualityScalingExperiment::Enabled(field_trials));
}
#endif
TEST(QualityScalingExperimentTest, EnabledWithFieldTrial) {
webrtc::test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScaling/Enabled/");
EXPECT_TRUE(QualityScalingExperiment::Enabled(field_trials));
}
TEST(QualityScalingExperimentTest, ParseSettings) {
const QualityScalingExperiment::Settings kExpected = {1, 2, 3, 4, 5, 6,
7, 8, 0.9f, 0.99f, 1};
webrtc::test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScaling/Enabled-1,2,3,4,5,6,7,8,0.9,0.99,1/");
const auto settings = QualityScalingExperiment::ParseSettings(field_trials);
EXPECT_TRUE(settings);
ExpectEqualSettings(kExpected, *settings);
}
#if !defined(WEBRTC_IOS)
// TODO(bugs.webrtc.org/12401): investigate why QualityScaler kicks in on iOS.
TEST(QualityScalingExperimentTest, ParseSettingsUsesDefaultsWithoutFieldTrial) {
webrtc::test::ScopedKeyValueConfig field_trials("");
// Uses some default hard coded values.
EXPECT_TRUE(QualityScalingExperiment::ParseSettings(field_trials));
}
#else
TEST(QualityScalingExperimentTest, ParseSettingsFailsWithoutFieldTrial) {
webrtc::test::ScopedKeyValueConfig field_trials("");
EXPECT_FALSE(QualityScalingExperiment::ParseSettings(field_trials));
}
#endif
TEST(QualityScalingExperimentTest, ParseSettingsFailsWithInvalidFieldTrial) {
webrtc::test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScaling/Enabled-invalid/");
EXPECT_FALSE(QualityScalingExperiment::ParseSettings(field_trials));
}
TEST(QualityScalingExperimentTest, GetConfig) {
webrtc::test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScaling/Enabled-1,2,3,4,5,6,7,8,0.9,0.99,0/");
const auto config = QualityScalingExperiment::GetConfig(field_trials);
EXPECT_EQ(0.9f, config.alpha_high);
EXPECT_EQ(0.99f, config.alpha_low);
EXPECT_FALSE(config.use_all_drop_reasons);
}
TEST(QualityScalingExperimentTest, GetsDefaultConfigForInvalidFieldTrial) {
webrtc::test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScaling/Enabled-invalid/");
const auto config = QualityScalingExperiment::GetConfig(field_trials);
ExpectEqualConfig(config, QualityScalingExperiment::Config());
}
TEST(QualityScalingExperimentTest, GetsDefaultAlphaForInvalidValue) {
QualityScalingExperiment::Config expected_config;
expected_config.use_all_drop_reasons = true;
webrtc::test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScaling/Enabled-1,2,3,4,5,6,7,8,0.99,0.9,1/");
const auto config = QualityScalingExperiment::GetConfig(field_trials);
ExpectEqualConfig(config, expected_config);
}
TEST(QualityScalingExperimentTest, GetVp8Thresholds) {
webrtc::test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScaling/Enabled-1,2,3,4,5,6,0,0,0.9,0.99,1/");
const auto thresholds =
QualityScalingExperiment::GetQpThresholds(kVideoCodecVP8, field_trials);
EXPECT_TRUE(thresholds);
EXPECT_EQ(1, thresholds->low);
EXPECT_EQ(2, thresholds->high);
}
TEST(QualityScalingExperimentTest, GetThresholdsFailsForInvalidVp8Value) {
webrtc::test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScaling/Enabled-0,0,3,4,5,6,7,8,0.9,0.99,1/");
const auto thresholds =
QualityScalingExperiment::GetQpThresholds(kVideoCodecVP8, field_trials);
EXPECT_FALSE(thresholds);
}
TEST(QualityScalingExperimentTest, GetVp9Thresholds) {
webrtc::test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScaling/Enabled-1,2,3,4,5,6,0,0,0.9,0.99,1/");
const auto thresholds =
QualityScalingExperiment::GetQpThresholds(kVideoCodecVP9, field_trials);
EXPECT_TRUE(thresholds);
EXPECT_EQ(3, thresholds->low);
EXPECT_EQ(4, thresholds->high);
}
TEST(QualityScalingExperimentTest, GetThresholdsFailsForInvalidVp9Value) {
webrtc::test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScaling/Enabled-1,2,0,0,5,6,7,8,0.9,0.99,1/");
const auto thresholds =
QualityScalingExperiment::GetQpThresholds(kVideoCodecVP9, field_trials);
EXPECT_FALSE(thresholds);
}
TEST(QualityScalingExperimentTest, GetH264Thresholds) {
webrtc::test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScaling/Enabled-1,2,3,4,5,6,0,0,0.9,0.99,1/");
const auto thresholds =
QualityScalingExperiment::GetQpThresholds(kVideoCodecH264, field_trials);
EXPECT_TRUE(thresholds);
EXPECT_EQ(5, thresholds->low);
EXPECT_EQ(6, thresholds->high);
}
TEST(QualityScalingExperimentTest, GetThresholdsFailsForInvalidH264Value) {
webrtc::test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScaling/Enabled-1,2,3,4,0,0,7,8,0.9,0.99,1/");
const auto thresholds =
QualityScalingExperiment::GetQpThresholds(kVideoCodecH264, field_trials);
EXPECT_FALSE(thresholds);
}
TEST(QualityScalingExperimentTest, GetGenericThresholds) {
webrtc::test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScaling/Enabled-1,2,3,4,0,0,7,8,0.9,0.99,1/");
const auto thresholds = QualityScalingExperiment::GetQpThresholds(
kVideoCodecGeneric, field_trials);
EXPECT_TRUE(thresholds);
EXPECT_EQ(7, thresholds->low);
EXPECT_EQ(8, thresholds->high);
}
TEST(QualityScalingExperimentTest, GetThresholdsFailsForInvalidGenericValue) {
webrtc::test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScaling/Enabled-1,2,3,4,5,6,0,0,0.9,0.99,1/");
const auto thresholds = QualityScalingExperiment::GetQpThresholds(
kVideoCodecGeneric, field_trials);
EXPECT_FALSE(thresholds);
}
} // namespace webrtc