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/*
* Copyright 2019 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_scaler_settings.h"
#include "test/gtest.h"
#include "test/scoped_key_value_config.h"
namespace webrtc {
namespace {
TEST(QualityScalerSettingsTest, ValuesNotSetByDefault) {
test::ScopedKeyValueConfig field_trials("");
const auto settings = QualityScalerSettings(field_trials);
EXPECT_FALSE(settings.MinFrames());
EXPECT_FALSE(settings.InitialScaleFactor());
EXPECT_FALSE(settings.ScaleFactor());
EXPECT_FALSE(settings.InitialBitrateIntervalMs());
EXPECT_FALSE(settings.InitialBitrateFactor());
}
TEST(QualityScalerSettingsTest, ParseMinFrames) {
test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScalerSettings/min_frames:100/");
EXPECT_EQ(100, QualityScalerSettings(field_trials).MinFrames());
}
TEST(QualityScalerSettingsTest, ParseInitialScaleFactor) {
test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScalerSettings/initial_scale_factor:1.5/");
EXPECT_EQ(1.5, QualityScalerSettings(field_trials).InitialScaleFactor());
}
TEST(QualityScalerSettingsTest, ParseScaleFactor) {
test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScalerSettings/scale_factor:1.1/");
EXPECT_EQ(1.1, QualityScalerSettings(field_trials).ScaleFactor());
}
TEST(QualityScalerSettingsTest, ParseInitialBitrateInterval) {
test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScalerSettings/initial_bitrate_interval_ms:1000/");
EXPECT_EQ(1000,
QualityScalerSettings(field_trials).InitialBitrateIntervalMs());
}
TEST(QualityScalerSettingsTest, ParseInitialBitrateFactor) {
test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScalerSettings/initial_bitrate_factor:0.75/");
EXPECT_EQ(0.75, QualityScalerSettings(field_trials).InitialBitrateFactor());
}
TEST(QualityScalerSettingsTest, ParseAll) {
test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScalerSettings/"
"min_frames:100,initial_scale_factor:1.5,scale_factor:0.9,"
"initial_bitrate_interval_ms:5500,initial_bitrate_factor:0.7/");
const auto settings = QualityScalerSettings(field_trials);
EXPECT_EQ(100, settings.MinFrames());
EXPECT_EQ(1.5, settings.InitialScaleFactor());
EXPECT_EQ(0.9, settings.ScaleFactor());
EXPECT_EQ(5500, settings.InitialBitrateIntervalMs());
EXPECT_EQ(0.7, settings.InitialBitrateFactor());
}
TEST(QualityScalerSettingsTest, DoesNotParseIncorrectValue) {
test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScalerSettings/"
"min_frames:a,initial_scale_factor:b,scale_factor:c,"
"initial_bitrate_interval_ms:d,initial_bitrate_factor:e/");
const auto settings = QualityScalerSettings(field_trials);
EXPECT_FALSE(settings.MinFrames());
EXPECT_FALSE(settings.InitialScaleFactor());
EXPECT_FALSE(settings.ScaleFactor());
EXPECT_FALSE(settings.InitialBitrateIntervalMs());
EXPECT_FALSE(settings.InitialBitrateFactor());
}
TEST(QualityScalerSettingsTest, DoesNotReturnTooSmallValue) {
test::ScopedKeyValueConfig field_trials(
"WebRTC-Video-QualityScalerSettings/"
"min_frames:0,initial_scale_factor:0.0,scale_factor:0.0,"
"initial_bitrate_interval_ms:-1,initial_bitrate_factor:0.0/");
const auto settings = QualityScalerSettings(field_trials);
EXPECT_FALSE(settings.MinFrames());
EXPECT_FALSE(settings.InitialScaleFactor());
EXPECT_FALSE(settings.ScaleFactor());
EXPECT_FALSE(settings.InitialBitrateIntervalMs());
EXPECT_FALSE(settings.InitialBitrateFactor());
}
} // namespace
} // namespace webrtc
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