1 /* 2 * Copyright (c) 2019 The WebRTC project authors. All Rights Reserved. 3 * 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 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef MODULES_CONGESTION_CONTROLLER_GOOG_CC_ROBUST_THROUGHPUT_ESTIMATOR_H_ 12 #define MODULES_CONGESTION_CONTROLLER_GOOG_CC_ROBUST_THROUGHPUT_ESTIMATOR_H_ 13 14 #include <deque> 15 #include <vector> 16 17 #include "absl/types/optional.h" 18 #include "api/transport/network_types.h" 19 #include "api/units/data_rate.h" 20 #include "api/units/timestamp.h" 21 #include "modules/congestion_controller/goog_cc/acknowledged_bitrate_estimator_interface.h" 22 23 namespace webrtc { 24 25 class RobustThroughputEstimator : public AcknowledgedBitrateEstimatorInterface { 26 public: 27 explicit RobustThroughputEstimator( 28 const RobustThroughputEstimatorSettings& settings); 29 ~RobustThroughputEstimator() override; 30 31 void IncomingPacketFeedbackVector( 32 const std::vector<PacketResult>& packet_feedback_vector) override; 33 34 absl::optional<DataRate> bitrate() const override; 35 PeekRate()36 absl::optional<DataRate> PeekRate() const override { return bitrate(); } SetAlr(bool)37 void SetAlr(bool /*in_alr*/) override {} SetAlrEndedTime(Timestamp)38 void SetAlrEndedTime(Timestamp /*alr_ended_time*/) override {} 39 40 private: 41 bool FirstPacketOutsideWindow(); 42 43 const RobustThroughputEstimatorSettings settings_; 44 std::deque<PacketResult> window_; 45 Timestamp latest_discarded_send_time_ = Timestamp::MinusInfinity(); 46 }; 47 48 } // namespace webrtc 49 50 #endif // MODULES_CONGESTION_CONTROLLER_GOOG_CC_ROBUST_THROUGHPUT_ESTIMATOR_H_ 51