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| 1 /* | 1 /* |
| 2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2017 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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| 31 // * PLR (packet-loss-rate) is reliably computable once the statuses of | 31 // * PLR (packet-loss-rate) is reliably computable once the statuses of |
| 32 // |plr_min_num_acked_packets| packets are known. | 32 // |plr_min_num_acked_packets| packets are known. |
| 33 // * RPLR (recoverable-packet-loss-rate) is reliably computable once the | 33 // * RPLR (recoverable-packet-loss-rate) is reliably computable once the |
| 34 // statuses of |rplr_min_num_acked_pairs| pairs are known. | 34 // statuses of |rplr_min_num_acked_pairs| pairs are known. |
| 35 TransportFeedbackPacketLossTracker(int64_t max_window_size_ms, | 35 TransportFeedbackPacketLossTracker(int64_t max_window_size_ms, |
| 36 size_t plr_min_num_acked_packets, | 36 size_t plr_min_num_acked_packets, |
| 37 size_t rplr_min_num_acked_pairs); | 37 size_t rplr_min_num_acked_pairs); |
| 38 | 38 |
| 39 void OnPacketAdded(uint16_t seq_num, int64_t send_time_ms); | 39 void OnPacketAdded(uint16_t seq_num, int64_t send_time_ms); |
| 40 | 40 |
| 41 void OnNewTransportFeedbackVector( | 41 void OnPacketFeedbackVector( |
| 42 const std::vector<PacketFeedback>& packet_feedbacks_vector); | 42 const std::vector<PacketFeedback>& packet_feedbacks_vector); |
| 43 | 43 |
| 44 // Returns the packet loss rate, if the window has enough packet statuses to | 44 // Returns the packet loss rate, if the window has enough packet statuses to |
| 45 // reliably compute it. Otherwise, returns empty. | 45 // reliably compute it. Otherwise, returns empty. |
| 46 rtc::Optional<float> GetPacketLossRate() const; | 46 rtc::Optional<float> GetPacketLossRate() const; |
| 47 | 47 |
| 48 // Returns the first-order-FEC recoverable packet loss rate, if the window has | 48 // Returns the first-order-FEC recoverable packet loss rate, if the window has |
| 49 // enough status pairs to reliably compute it. Otherwise, returns empty. | 49 // enough status pairs to reliably compute it. Otherwise, returns empty. |
| 50 rtc::Optional<float> GetRecoverablePacketLossRate() const; | 50 rtc::Optional<float> GetRecoverablePacketLossRate() const; |
| 51 | 51 |
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| 132 // of all pairs of consecutive acked packets. | 132 // of all pairs of consecutive acked packets. |
| 133 const size_t min_num_acked_pairs_; | 133 const size_t min_num_acked_pairs_; |
| 134 size_t num_acked_pairs_; | 134 size_t num_acked_pairs_; |
| 135 size_t num_recoverable_losses_; | 135 size_t num_recoverable_losses_; |
| 136 } rplr_state_; | 136 } rplr_state_; |
| 137 }; | 137 }; |
| 138 | 138 |
| 139 } // namespace webrtc | 139 } // namespace webrtc |
| 140 | 140 |
| 141 #endif // WEBRTC_VOICE_ENGINE_TRANSPORT_FEEDBACK_PACKET_LOSS_TRACKER_H_ | 141 #endif // WEBRTC_VOICE_ENGINE_TRANSPORT_FEEDBACK_PACKET_LOSS_TRACKER_H_ |
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