Wire-up BWE feedback for audio receive streams.

webrtc/call/congestion_controller.h

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 22 matching lines @@
 class SendStatisticsProxy;
 class TransportFeedbackAdapter;
 class TransportFeedbackObserver;
 class ViEEncoder;
 class VieRemb;
 
 class CongestionController {
  public:
   CongestionController(ProcessThread* process_thread, CallStats* call_stats,
                        BitrateObserver* bitrate_observer);
-  ~CongestionController();
-  void AddEncoder(ViEEncoder* encoder);
-  void RemoveEncoder(ViEEncoder* encoder);
-  void SetBweBitrates(int min_bitrate_bps,
-                      int start_bitrate_bps,
-                      int max_bitrate_bps);
+  virtual ~CongestionController();
+  virtual void AddEncoder(ViEEncoder* encoder);
+  virtual void RemoveEncoder(ViEEncoder* encoder);
+  virtual void SetBweBitrates(int min_bitrate_bps,
+                              int start_bitrate_bps,
+                              int max_bitrate_bps);
 
-  void SetChannelRembStatus(bool sender, bool receiver, RtpRtcp* rtp_module);
+  virtual void SetChannelRembStatus(bool sender,
+                                    bool receiver,
+                                    RtpRtcp* rtp_module);
 
-  void SignalNetworkState(NetworkState state);
+  virtual void SignalNetworkState(NetworkState state);
 
-  BitrateController* GetBitrateController() const;
-  RemoteBitrateEstimator* GetRemoteBitrateEstimator(bool send_side_bwe) const;
-  int64_t GetPacerQueuingDelayMs() const;
-  PacedSender* pacer() const { return pacer_.get(); }
-  PacketRouter* packet_router() const { return packet_router_.get(); }
-  TransportFeedbackObserver* GetTransportFeedbackObserver();
+  virtual BitrateController* GetBitrateController() const;
+  virtual RemoteBitrateEstimator* GetRemoteBitrateEstimator(
+      bool send_side_bwe) const;
+  virtual int64_t GetPacerQueuingDelayMs() const;
+  virtual PacedSender* pacer() const { return pacer_.get(); }
+  virtual PacketRouter* packet_router() const { return packet_router_.get(); }
+  virtual TransportFeedbackObserver* GetTransportFeedbackObserver();
 
-  void UpdatePacerBitrate(int bitrate_kbps, int max_bitrate_kbps,
-                          int min_bitrate_kbps);
+  virtual void UpdatePacerBitrate(int bitrate_kbps,
+                                  int max_bitrate_kbps,
+                                  int min_bitrate_kbps);
 
-  void OnSentPacket(const rtc::SentPacket& sent_packet);
+  virtual void OnSentPacket(const rtc::SentPacket& sent_packet);
 
  private:
   rtc::scoped_ptr<VieRemb> remb_;
   rtc::scoped_ptr<PacketRouter> packet_router_;
   rtc::scoped_ptr<PacedSender> pacer_;
   rtc::scoped_ptr<RemoteBitrateEstimator> remote_bitrate_estimator_;
   rtc::scoped_ptr<RemoteEstimatorProxy> remote_estimator_proxy_;
 
   mutable rtc::CriticalSection encoder_crit_;
   std::vector<ViEEncoder*> encoders_ GUARDED_BY(encoder_crit_);
 
   // Registered at construct time and assumed to outlive this class.
   ProcessThread* const process_thread_;
   CallStats* const call_stats_;
 
   rtc::scoped_ptr<ProcessThread> pacer_thread_;
 
   rtc::scoped_ptr<BitrateController> bitrate_controller_;
   rtc::scoped_ptr<TransportFeedbackAdapter> transport_feedback_adapter_;
   int min_bitrate_bps_;
+
+  RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(CongestionController);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_CALL_CONGESTION_CONTROLLER_H_