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_ALR_EXPERIMENT_H_ 12 #define RTC_BASE_EXPERIMENTS_ALR_EXPERIMENT_H_ 13 14 #include <stdint.h> 15 16 #include "absl/strings/string_view.h" 17 #include "absl/types/optional.h" 18 #include "api/field_trials_view.h" 19 20 namespace webrtc { 21 struct AlrExperimentSettings { 22 public: 23 float pacing_factor; 24 int64_t max_paced_queue_time; 25 int alr_bandwidth_usage_percent; 26 int alr_start_budget_level_percent; 27 int alr_stop_budget_level_percent; 28 // Will be sent to the receive side for stats slicing. 29 // Can be 0..6, because it's sent as a 3 bits value and there's also 30 // reserved value to indicate absence of experiment. 31 int group_id; 32 33 static const char kScreenshareProbingBweExperimentName[]; 34 static const char kStrictPacingAndProbingExperimentName[]; 35 static absl::optional<AlrExperimentSettings> CreateFromFieldTrial( 36 absl::string_view experiment_name); 37 static absl::optional<AlrExperimentSettings> CreateFromFieldTrial( 38 const FieldTrialsView& key_value_config, 39 absl::string_view experiment_name); 40 static bool MaxOneFieldTrialEnabled(); 41 static bool MaxOneFieldTrialEnabled(const FieldTrialsView& key_value_config); 42 43 private: 44 AlrExperimentSettings() = default; 45 }; 46 } // namespace webrtc 47 48 #endif // RTC_BASE_EXPERIMENTS_ALR_EXPERIMENT_H_ 49