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/*
* Copyright (c) 2021 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/bandwidth_quality_scaler_settings.h"
#include "api/transport/field_trial_based_config.h"
#include "rtc_base/logging.h"
namespace webrtc {
BandwidthQualityScalerSettings::BandwidthQualityScalerSettings(
const FieldTrialsView* const key_value_config)
: bitrate_state_update_interval_s_("bitrate_state_update_interval_s_") {
ParseFieldTrial(
{&bitrate_state_update_interval_s_},
key_value_config->Lookup("WebRTC-Video-BandwidthQualityScalerSettings"));
}
BandwidthQualityScalerSettings
BandwidthQualityScalerSettings::ParseFromFieldTrials() {
FieldTrialBasedConfig field_trial_config;
return BandwidthQualityScalerSettings(&field_trial_config);
}
absl::optional<uint32_t>
BandwidthQualityScalerSettings::BitrateStateUpdateInterval() const {
if (bitrate_state_update_interval_s_ &&
bitrate_state_update_interval_s_.Value() <= 0) {
RTC_LOG(LS_WARNING)
<< "Unsupported bitrate_state_update_interval_s_ value, ignored.";
return absl::nullopt;
}
return bitrate_state_update_interval_s_.GetOptional();
}
} // namespace webrtc
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