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1 /* | 1 /* |
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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40 // Returns time in milliseconds when the current application-limited region | 40 // Returns time in milliseconds when the current application-limited region |
41 // started or empty result if the sender is currently not application-limited. | 41 // started or empty result if the sender is currently not application-limited. |
42 rtc::Optional<int64_t> GetApplicationLimitedRegionStartTime() const; | 42 rtc::Optional<int64_t> GetApplicationLimitedRegionStartTime() const; |
43 | 43 |
44 struct AlrExperimentSettings { | 44 struct AlrExperimentSettings { |
45 float pacing_factor = PacedSender::kDefaultPaceMultiplier; | 45 float pacing_factor = PacedSender::kDefaultPaceMultiplier; |
46 int64_t max_paced_queue_time = PacedSender::kMaxQueueLengthMs; | 46 int64_t max_paced_queue_time = PacedSender::kMaxQueueLengthMs; |
47 int alr_bandwidth_usage_percent = kDefaultAlrBandwidthUsagePercent; | 47 int alr_bandwidth_usage_percent = kDefaultAlrBandwidthUsagePercent; |
48 int alr_start_budget_level_percent = kDefaultAlrStartBudgetLevelPercent; | 48 int alr_start_budget_level_percent = kDefaultAlrStartBudgetLevelPercent; |
49 int alr_stop_budget_level_percent = kDefaultAlrStopBudgetLevelPercent; | 49 int alr_stop_budget_level_percent = kDefaultAlrStopBudgetLevelPercent; |
| 50 // Will be sent to the receive side for stats slicing. |
| 51 // Can be 0..6, because it's sent as a 3 bits value and there's also |
| 52 // reserved value to indicate absence of experiment. |
| 53 int group_id = 0; |
50 }; | 54 }; |
51 static rtc::Optional<AlrExperimentSettings> ParseAlrSettingsFromFieldTrial( | 55 static rtc::Optional<AlrExperimentSettings> ParseAlrSettingsFromFieldTrial( |
52 const char* experiment_name); | 56 const char* experiment_name); |
53 | 57 |
54 // Sent traffic percentage as a function of network capacity used to determine | 58 // Sent traffic percentage as a function of network capacity used to determine |
55 // application-limited region. ALR region start when bandwidth usage drops | 59 // application-limited region. ALR region start when bandwidth usage drops |
56 // below kAlrStartUsagePercent and ends when it raises above | 60 // below kAlrStartUsagePercent and ends when it raises above |
57 // kAlrEndUsagePercent. NOTE: This is intentionally conservative at the moment | 61 // kAlrEndUsagePercent. NOTE: This is intentionally conservative at the moment |
58 // until BW adjustments of application limited region is fine tuned. | 62 // until BW adjustments of application limited region is fine tuned. |
59 static constexpr int kDefaultAlrBandwidthUsagePercent = 65; | 63 static constexpr int kDefaultAlrBandwidthUsagePercent = 65; |
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70 int alr_start_budget_level_percent_; | 74 int alr_start_budget_level_percent_; |
71 int alr_stop_budget_level_percent_; | 75 int alr_stop_budget_level_percent_; |
72 | 76 |
73 IntervalBudget alr_budget_; | 77 IntervalBudget alr_budget_; |
74 rtc::Optional<int64_t> alr_started_time_ms_; | 78 rtc::Optional<int64_t> alr_started_time_ms_; |
75 }; | 79 }; |
76 | 80 |
77 } // namespace webrtc | 81 } // namespace webrtc |
78 | 82 |
79 #endif // WEBRTC_MODULES_PACING_ALR_DETECTOR_H_ | 83 #endif // WEBRTC_MODULES_PACING_ALR_DETECTOR_H_ |
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