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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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72 | 72 |
73 private: | 73 private: |
74 float UpdateWindow(int64_t now_ms, int bytes, int rate_window_ms); | 74 float UpdateWindow(int64_t now_ms, int bytes, int rate_window_ms); |
75 int sum_; | 75 int sum_; |
76 int64_t current_win_ms_; | 76 int64_t current_win_ms_; |
77 int64_t prev_time_ms_; | 77 int64_t prev_time_ms_; |
78 float bitrate_estimate_; | 78 float bitrate_estimate_; |
79 float bitrate_estimate_var_; | 79 float bitrate_estimate_var_; |
80 RateStatistics old_estimator_; | 80 RateStatistics old_estimator_; |
81 const bool in_experiment_; | 81 const bool in_experiment_; |
| 82 bool last_result_was_valid_; |
82 }; | 83 }; |
83 | 84 |
84 Result IncomingPacketFeedback(const PacketFeedback& packet_feedback); | 85 void IncomingPacketFeedback(const PacketFeedback& packet_feedback); |
85 Result OnLongFeedbackDelay(int64_t arrival_time_ms); | 86 Result OnLongFeedbackDelay(int64_t arrival_time_ms); |
| 87 |
| 88 Result MaybeUpdateEstimate(bool overusing); |
86 // Updates the current remote rate estimate and returns true if a valid | 89 // Updates the current remote rate estimate and returns true if a valid |
87 // estimate exists. | 90 // estimate exists. |
88 bool UpdateEstimate(int64_t packet_arrival_time_ms, | 91 bool UpdateEstimate(int64_t now_ms, |
89 int64_t now_ms, | |
90 rtc::Optional<uint32_t> acked_bitrate_bps, | 92 rtc::Optional<uint32_t> acked_bitrate_bps, |
91 uint32_t* target_bitrate_bps); | 93 bool overusing, |
| 94 Result* result); |
| 95 |
92 const bool in_trendline_experiment_; | 96 const bool in_trendline_experiment_; |
93 const bool in_median_slope_experiment_; | 97 const bool in_median_slope_experiment_; |
94 | 98 |
95 rtc::ThreadChecker network_thread_; | 99 rtc::ThreadChecker network_thread_; |
96 RtcEventLog* const event_log_; | 100 RtcEventLog* const event_log_; |
97 const Clock* const clock_; | 101 const Clock* const clock_; |
98 std::unique_ptr<InterArrival> inter_arrival_; | 102 std::unique_ptr<InterArrival> inter_arrival_; |
99 std::unique_ptr<OveruseEstimator> kalman_estimator_; | 103 std::unique_ptr<OveruseEstimator> kalman_estimator_; |
100 std::unique_ptr<TrendlineEstimator> trendline_estimator_; | 104 std::unique_ptr<TrendlineEstimator> trendline_estimator_; |
101 std::unique_ptr<MedianSlopeEstimator> median_slope_estimator_; | 105 std::unique_ptr<MedianSlopeEstimator> median_slope_estimator_; |
102 OveruseDetector detector_; | 106 OveruseDetector detector_; |
103 BitrateEstimator receiver_incoming_bitrate_; | 107 BitrateEstimator receiver_incoming_bitrate_; |
104 int64_t last_update_ms_; | |
105 int64_t last_seen_packet_ms_; | 108 int64_t last_seen_packet_ms_; |
106 bool uma_recorded_; | 109 bool uma_recorded_; |
107 AimdRateControl rate_control_; | 110 AimdRateControl rate_control_; |
108 ProbeBitrateEstimator probe_bitrate_estimator_; | 111 ProbeBitrateEstimator probe_bitrate_estimator_; |
109 size_t trendline_window_size_; | 112 size_t trendline_window_size_; |
110 double trendline_smoothing_coeff_; | 113 double trendline_smoothing_coeff_; |
111 double trendline_threshold_gain_; | 114 double trendline_threshold_gain_; |
112 ProbingIntervalEstimator probing_interval_estimator_; | 115 ProbingIntervalEstimator probing_interval_estimator_; |
113 size_t median_slope_window_size_; | 116 size_t median_slope_window_size_; |
114 double median_slope_threshold_gain_; | 117 double median_slope_threshold_gain_; |
115 int consecutive_delayed_feedbacks_; | 118 int consecutive_delayed_feedbacks_; |
116 uint32_t last_logged_bitrate_; | 119 uint32_t last_logged_bitrate_; |
117 BandwidthUsage last_logged_state_; | 120 BandwidthUsage last_logged_state_; |
118 | 121 |
119 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(DelayBasedBwe); | 122 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(DelayBasedBwe); |
120 }; | 123 }; |
121 | 124 |
122 } // namespace webrtc | 125 } // namespace webrtc |
123 | 126 |
124 #endif // WEBRTC_MODULES_CONGESTION_CONTROLLER_DELAY_BASED_BWE_H_ | 127 #endif // WEBRTC_MODULES_CONGESTION_CONTROLLER_DELAY_BASED_BWE_H_ |
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