blob: b3e923019b3cfd82dc648b3ffa8934df406fdbf5 [file] [log] [blame]
/*
* Copyright (c) 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/jitter_upper_bound_experiment.h"
#include <algorithm>
#include <string>
#include "rtc_base/logging.h"
#include "system_wrappers/include/field_trial.h"
namespace webrtc {
const char JitterUpperBoundExperiment::kJitterUpperBoundExperimentName[] =
"WebRTC-JitterUpperBound";
absl::optional<double> JitterUpperBoundExperiment::GetUpperBoundSigmas() {
if (!field_trial::IsEnabled(kJitterUpperBoundExperimentName)) {
return absl::nullopt;
}
const std::string group =
webrtc::field_trial::FindFullName(kJitterUpperBoundExperimentName);
double upper_bound_sigmas;
if (sscanf(group.c_str(), "Enabled-%lf", &upper_bound_sigmas) != 1) {
RTC_LOG(LS_WARNING) << "Invalid number of parameters provided.";
return absl::nullopt;
}
if (upper_bound_sigmas < 0) {
RTC_LOG(LS_WARNING) << "Invalid jitter upper bound sigmas, must be >= 0.0: "
<< upper_bound_sigmas;
return absl::nullopt;
}
return upper_bound_sigmas;
}
} // namespace webrtc