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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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21 | 21 |
22 class ProbeBitrateEstimator { | 22 class ProbeBitrateEstimator { |
23 public: | 23 public: |
24 explicit ProbeBitrateEstimator(RtcEventLog* event_log); | 24 explicit ProbeBitrateEstimator(RtcEventLog* event_log); |
25 ~ProbeBitrateEstimator(); | 25 ~ProbeBitrateEstimator(); |
26 | 26 |
27 // Should be called for every probe packet we receive feedback about. | 27 // Should be called for every probe packet we receive feedback about. |
28 // Returns the estimated bitrate if the probe completes a valid cluster. | 28 // Returns the estimated bitrate if the probe completes a valid cluster. |
29 int HandleProbeAndEstimateBitrate(const PacketFeedback& packet_feedback); | 29 int HandleProbeAndEstimateBitrate(const PacketFeedback& packet_feedback); |
30 | 30 |
31 rtc::Optional<int> FetchAndResetLastEstimatedBitrateBps(); | 31 rtc::Optional<int> FetchAndResetLastEstimatedBitrateBps(int64_t timeout = 0); |
32 | 32 |
33 private: | 33 private: |
34 struct AggregatedCluster { | 34 struct AggregatedCluster { |
35 int num_probes = 0; | 35 int num_probes = 0; |
36 int64_t first_send_ms = std::numeric_limits<int64_t>::max(); | 36 int64_t first_send_ms = std::numeric_limits<int64_t>::max(); |
37 int64_t last_send_ms = 0; | 37 int64_t last_send_ms = 0; |
38 int64_t first_receive_ms = std::numeric_limits<int64_t>::max(); | 38 int64_t first_receive_ms = std::numeric_limits<int64_t>::max(); |
39 int64_t last_receive_ms = 0; | 39 int64_t last_receive_ms = 0; |
40 int size_last_send = 0; | 40 int size_last_send = 0; |
41 int size_first_receive = 0; | 41 int size_first_receive = 0; |
42 int size_total = 0; | 42 int size_total = 0; |
43 }; | 43 }; |
44 | 44 |
45 // Erases old cluster data that was seen before |timestamp_ms|. | 45 // Erases old cluster data that was seen before |timestamp_ms|. |
46 void EraseOldClusters(int64_t timestamp_ms); | 46 void EraseOldClusters(int64_t timestamp_ms); |
47 | 47 |
48 std::map<int, AggregatedCluster> clusters_; | 48 std::map<int, AggregatedCluster> clusters_; |
49 RtcEventLog* const event_log_; | 49 RtcEventLog* const event_log_; |
50 rtc::Optional<int> estimated_bitrate_bps_; | 50 rtc::Optional<int> estimated_bitrate_bps_; |
| 51 int64_t last_estimate_update_ms_ = 0; |
| 52 int64_t start_ = 0; |
| 53 int cluster_id_ = -1; |
51 }; | 54 }; |
52 | 55 |
53 } // namespace webrtc | 56 } // namespace webrtc |
54 | 57 |
55 #endif // WEBRTC_MODULES_CONGESTION_CONTROLLER_PROBE_BITRATE_ESTIMATOR_H_ | 58 #endif // WEBRTC_MODULES_CONGESTION_CONTROLLER_PROBE_BITRATE_ESTIMATOR_H_ |
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