48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
/*
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* Copyright (c) 2018 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/jitter_upper_bound_experiment.h"
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#include <stdio.h>
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#include <string>
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#include "rtc_base/logging.h"
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#include "system_wrappers/include/field_trial.h"
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namespace webrtc {
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const char JitterUpperBoundExperiment::kJitterUpperBoundExperimentName[] =
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"WebRTC-JitterUpperBound";
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absl::optional<double> JitterUpperBoundExperiment::GetUpperBoundSigmas() {
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if (!field_trial::IsEnabled(kJitterUpperBoundExperimentName)) {
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return absl::nullopt;
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}
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const std::string group =
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webrtc::field_trial::FindFullName(kJitterUpperBoundExperimentName);
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double upper_bound_sigmas;
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if (sscanf(group.c_str(), "Enabled-%lf", &upper_bound_sigmas) != 1) {
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RTC_LOG(LS_WARNING) << "Invalid number of parameters provided.";
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return absl::nullopt;
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}
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if (upper_bound_sigmas < 0) {
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RTC_LOG(LS_WARNING) << "Invalid jitter upper bound sigmas, must be >= 0.0: "
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<< upper_bound_sigmas;
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return absl::nullopt;
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}
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return upper_bound_sigmas;
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}
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} // namespace webrtc
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