text: /*
   *  Copyright (c) 2018 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_DELAY_INCREASE_DETECTOR_INTERFACE_H_
  #define MODULES_CONGESTION_CONTROLLER_GOOG_CC_DELAY_INCREASE_DETECTOR_INTERFACE_H_
  
  #include <stdint.h>
  
  #include "modules/remote_bitrate_estimator/include/bwe_defines.h"
  #include "rtc_base/constructor_magic.h"
  
  namespace webrtc {
  
  class DelayIncreaseDetectorInterface {
   public:
    DelayIncreaseDetectorInterface() {}
    virtual ~DelayIncreaseDetectorInterface() {}
  
    // Update the detector with a new sample. The deltas should represent deltas
    // between timestamp groups as defined by the InterArrival class.
    virtual void Update(double recv_delta_ms,
                        double send_delta_ms,
                        int64_t send_time_ms,
                        int64_t arrival_time_ms,
                        bool calculated_deltas) = 0;
  
    virtual BandwidthUsage State() const = 0;
  
    RTC_DISALLOW_COPY_AND_ASSIGN(DelayIncreaseDetectorInterface);
  };
  
  }  // namespace webrtc
  
  #endif  // MODULES_CONGESTION_CONTROLLER_GOOG_CC_DELAY_INCREASE_DETECTOR_INTERFACE_H_
  