acknowledged_bitrate_estimator.h

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/*

 *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.

 *  Use of this source code is governed by a BSD-style license

 *  that can be found in the LICENSE file in the root of the source

 *  tree. An additional intellectual property rights grant can be found

 *  in the file PATENTS.  All contributing project authors may

 *  be found in the AUTHORS file in the root of the source tree.

*/

#ifndef MODULES_CONGESTION_CONTROLLER_GOOG_CC_ACKNOWLEDGED_BITRATE_ESTIMATOR_H_

#define MODULES_CONGESTION_CONTROLLER_GOOG_CC_ACKNOWLEDGED_BITRATE_ESTIMATOR_H_

#include <memory>

#include <vector>

#include "absl/types/optional.h"

#include "api/field_trials_view.h"

#include "api/transport/network_types.h"

#include "api/units/data_rate.h"

#include "api/units/timestamp.h"

#include "modules/congestion_controller/goog_cc/acknowledged_bitrate_estimator_interface.h"

#include "modules/congestion_controller/goog_cc/bitrate_estimator.h"

namespace webrtc {

class AcknowledgedBitrateEstimator

    : public AcknowledgedBitrateEstimatorInterface {

 public:

  AcknowledgedBitrateEstimator(

      const FieldTrialsView* key_value_config,

      std::unique_ptr<BitrateEstimator> bitrate_estimator);

  explicit AcknowledgedBitrateEstimator(

      const FieldTrialsView* key_value_config);

  ~AcknowledgedBitrateEstimator() override;

  void IncomingPacketFeedbackVector(

      const std::vector<PacketResult>& packet_feedback_vector) override;

  absl::optional<DataRate> bitrate() const override;

  absl::optional<DataRate> PeekRate() const override;

  void SetAlr(bool in_alr) override;

  void SetAlrEndedTime(Timestamp alr_ended_time) override;

 private:

  absl::optional<Timestamp> alr_ended_time_;

  bool in_alr_;

  std::unique_ptr<BitrateEstimator> bitrate_estimator_;

};

}  // namespace webrtc

#endif  // MODULES_CONGESTION_CONTROLLER_GOOG_CC_ACKNOWLEDGED_BITRATE_ESTIMATOR_H_