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Side by Side Diff: webrtc/modules/pacing/alr_detector.h

Issue 2997883002: Video/Screenshare loopback tool.
Patch Set: Rebase Created 3 years, 3 months ago
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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
11 #ifndef WEBRTC_MODULES_PACING_ALR_DETECTOR_H_ 11 #ifndef WEBRTC_MODULES_PACING_ALR_DETECTOR_H_
12 #define WEBRTC_MODULES_PACING_ALR_DETECTOR_H_ 12 #define WEBRTC_MODULES_PACING_ALR_DETECTOR_H_
13 13
14 #include "webrtc/common_types.h" 14 #include "webrtc/common_types.h"
15 #include "webrtc/modules/pacing/interval_budget.h" 15 #include "webrtc/modules/pacing/interval_budget.h"
16 #include "webrtc/modules/pacing/paced_sender.h" 16 #include "webrtc/modules/pacing/paced_sender.h"
17 #include "webrtc/rtc_base/optional.h" 17 #include "webrtc/rtc_base/optional.h"
18 #include "webrtc/rtc_base/rate_statistics.h" 18 #include "webrtc/rtc_base/rate_statistics.h"
19 #include "webrtc/typedefs.h" 19 #include "webrtc/typedefs.h"
20 20
21 namespace webrtc { 21 namespace webrtc {
22 22
23 class RtcEventLog;
24
23 // Application limited region detector is a class that utilizes signals of 25 // Application limited region detector is a class that utilizes signals of
24 // elapsed time and bytes sent to estimate whether network traffic is 26 // elapsed time and bytes sent to estimate whether network traffic is
25 // currently limited by the application's ability to generate traffic. 27 // currently limited by the application's ability to generate traffic.
26 // 28 //
27 // AlrDetector provides a signal that can be utilized to adjust 29 // AlrDetector provides a signal that can be utilized to adjust
28 // estimate bandwidth. 30 // estimate bandwidth.
29 // Note: This class is not thread-safe. 31 // Note: This class is not thread-safe.
30 class AlrDetector { 32 class AlrDetector {
31 public: 33 public:
32 AlrDetector(); 34 AlrDetector();
35 explicit AlrDetector(RtcEventLog* event_log);
33 ~AlrDetector(); 36 ~AlrDetector();
34 37
35 void OnBytesSent(size_t bytes_sent, int64_t delta_time_ms); 38 void OnBytesSent(size_t bytes_sent, int64_t delta_time_ms);
36 39
37 // Set current estimated bandwidth. 40 // Set current estimated bandwidth.
38 void SetEstimatedBitrate(int bitrate_bps); 41 void SetEstimatedBitrate(int bitrate_bps);
39 42
40 // Returns time in milliseconds when the current application-limited region 43 // Returns time in milliseconds when the current application-limited region
41 // started or empty result if the sender is currently not application-limited. 44 // started or empty result if the sender is currently not application-limited.
42 rtc::Optional<int64_t> GetApplicationLimitedRegionStartTime() const; 45 rtc::Optional<int64_t> GetApplicationLimitedRegionStartTime() const;
(...skipping 22 matching lines...) Expand all
65 void UpdateBudgetWithElapsedTime(int64_t delta_time_ms); 68 void UpdateBudgetWithElapsedTime(int64_t delta_time_ms);
66 void UpdateBudgetWithBytesSent(size_t bytes_sent); 69 void UpdateBudgetWithBytesSent(size_t bytes_sent);
67 70
68 private: 71 private:
69 int bandwidth_usage_percent_; 72 int bandwidth_usage_percent_;
70 int alr_start_budget_level_percent_; 73 int alr_start_budget_level_percent_;
71 int alr_stop_budget_level_percent_; 74 int alr_stop_budget_level_percent_;
72 75
73 IntervalBudget alr_budget_; 76 IntervalBudget alr_budget_;
74 rtc::Optional<int64_t> alr_started_time_ms_; 77 rtc::Optional<int64_t> alr_started_time_ms_;
78 RtcEventLog* event_log_;
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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