1 /*
2  *  Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #ifndef RTC_BASE_EXPERIMENTS_JITTER_UPPER_BOUND_EXPERIMENT_H_
12 #define RTC_BASE_EXPERIMENTS_JITTER_UPPER_BOUND_EXPERIMENT_H_
13 
14 #include "absl/types/optional.h"
15 
16 namespace webrtc {
17 
18 class JitterUpperBoundExperiment {
19  public:
20   // Returns nullopt if experiment is not on, otherwise returns the configured
21   // upper bound for frame delay delta used in jitter estimation, expressed as
22   // number of standard deviations of the current deviation from the expected
23   // delay.
24   static absl::optional<double> GetUpperBoundSigmas();
25 
26   static const char kJitterUpperBoundExperimentName[];
27 };
28 
29 }  // namespace webrtc
30 
31 #endif  // RTC_BASE_EXPERIMENTS_JITTER_UPPER_BOUND_EXPERIMENT_H_
32