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| 1 /* | 1 /* |
| 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 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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| 33 | 33 |
| 34 class NadaBweReceiver : public BweReceiver { | 34 class NadaBweReceiver : public BweReceiver { |
| 35 public: | 35 public: |
| 36 explicit NadaBweReceiver(int flow_id); | 36 explicit NadaBweReceiver(int flow_id); |
| 37 virtual ~NadaBweReceiver(); | 37 virtual ~NadaBweReceiver(); |
| 38 | 38 |
| 39 void ReceivePacket(int64_t arrival_time_ms, | 39 void ReceivePacket(int64_t arrival_time_ms, |
| 40 const MediaPacket& media_packet) override; | 40 const MediaPacket& media_packet) override; |
| 41 FeedbackPacket* GetFeedback(int64_t now_ms) override; | 41 FeedbackPacket* GetFeedback(int64_t now_ms) override; |
| 42 | 42 |
| 43 size_t RecentReceivingRate(); | |
| 44 static int64_t MedianFilter(int64_t* v, int size); | 43 static int64_t MedianFilter(int64_t* v, int size); |
| 45 static int64_t ExponentialSmoothingFilter(int64_t new_value, | 44 static int64_t ExponentialSmoothingFilter(int64_t new_value, |
| 46 int64_t last_smoothed_value, | 45 int64_t last_smoothed_value, |
| 47 float alpha); | 46 float alpha); |
| 48 | 47 |
| 49 static const int64_t kReceivingRateTimeWindowMs; | 48 static const int64_t kReceivingRateTimeWindowMs; |
| 50 | 49 |
| 51 private: | 50 private: |
| 52 SimulatedClock clock_; | 51 SimulatedClock clock_; |
| 53 int64_t last_feedback_ms_; | 52 int64_t last_feedback_ms_; |
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| 80 double smoothing_factor); | 79 double smoothing_factor); |
| 81 | 80 |
| 82 int bitrate_kbps() const { return bitrate_kbps_; } | 81 int bitrate_kbps() const { return bitrate_kbps_; } |
| 83 void set_bitrate_kbps(int bitrate_kbps) { bitrate_kbps_ = bitrate_kbps; } | 82 void set_bitrate_kbps(int bitrate_kbps) { bitrate_kbps_ = bitrate_kbps; } |
| 84 bool original_operating_mode() const { return original_operating_mode_; } | 83 bool original_operating_mode() const { return original_operating_mode_; } |
| 85 void set_original_operating_mode(bool original_operating_mode) { | 84 void set_original_operating_mode(bool original_operating_mode) { |
| 86 original_operating_mode_ = original_operating_mode; | 85 original_operating_mode_ = original_operating_mode; |
| 87 } | 86 } |
| 88 int64_t NowMs() const { return clock_->TimeInMilliseconds(); } | 87 int64_t NowMs() const { return clock_->TimeInMilliseconds(); } |
| 89 | 88 |
| 90 static const int kMinRefRateKbps; // Referred as R_min. | |
| 91 static const int kMaxRefRateKbps; // Referred as R_max. | |
| 92 | |
| 93 private: | 89 private: |
| 94 Clock* const clock_; | 90 Clock* const clock_; |
| 95 BitrateObserver* const observer_; | 91 BitrateObserver* const observer_; |
| 96 // Used as an upper bound for calling AcceleratedRampDown. | 92 // Used as an upper bound for calling AcceleratedRampDown. |
| 97 const float kMaxCongestionSignalMs = 40.0f + kMinRefRateKbps / 15; | 93 const float kMaxCongestionSignalMs = 40.0f + kMinBitrateKbps / 15; |
| 98 // Referred as R_min, default initialization for bitrate R_n. | 94 // Referred as R_min, default initialization for bitrate R_n. |
| 99 int bitrate_kbps_; // Referred as "Reference Rate" = R_n. | |
| 100 int64_t last_feedback_ms_ = 0; | 95 int64_t last_feedback_ms_ = 0; |
| 101 // Referred as delta_0, initialized as an upper bound. | 96 // Referred as delta_0, initialized as an upper bound. |
| 102 int64_t min_feedback_delay_ms_ = 200; | 97 int64_t min_feedback_delay_ms_ = 200; |
| 103 // Referred as RTT_0, initialized as an upper bound. | 98 // Referred as RTT_0, initialized as an upper bound. |
| 104 int64_t min_round_trip_time_ms_ = 100; | 99 int64_t min_round_trip_time_ms_ = 100; |
| 105 bool original_operating_mode_; | 100 bool original_operating_mode_; |
| 106 | 101 |
| 107 DISALLOW_IMPLICIT_CONSTRUCTORS(NadaBweSender); | 102 DISALLOW_IMPLICIT_CONSTRUCTORS(NadaBweSender); |
| 108 }; | 103 }; |
| 109 | 104 |
| 110 } // namespace bwe | 105 } // namespace bwe |
| 111 } // namespace testing | 106 } // namespace testing |
| 112 } // namespace webrtc | 107 } // namespace webrtc |
| 113 | 108 |
| 114 #endif // WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_TEST_ESTIMATORS_NADA_H_ | 109 #endif // WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_TEST_ESTIMATORS_NADA_H_ |
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