Move BitrateAllocator from BitrateController logic to Call.

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.
  */
 
 #ifndef WEBRTC_CALL_CONGESTION_CONTROLLER_H_
 #define WEBRTC_CALL_CONGESTION_CONTROLLER_H_
 
 #include <vector>
 
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/base/socket.h"
-#include "webrtc/modules/bitrate_controller/include/bitrate_controller.h"
 #include "webrtc/stream.h"
 
 namespace webrtc {
 
-class BitrateAllocator;
+class BitrateController;
+class BitrateObserver;
 class CallStats;
 class Config;
 class PacedSender;
 class PacketRouter;
 class ProcessThread;
 class RemoteBitrateEstimator;
 class RemoteEstimatorProxy;
 class RtpRtcp;
 class SendStatisticsProxy;
 class TransportFeedbackAdapter;
+class TransportFeedbackObserver;
 class ViEEncoder;
 class VieRemb;
 
-class CongestionController : public BitrateObserver {
+class CongestionController {
  public:
-  CongestionController(ProcessThread* process_thread, CallStats* call_stats);
+  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);
 
   void SetChannelRembStatus(bool sender, bool receiver, RtpRtcp* rtp_module);
 
   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(); }
-  BitrateAllocator* bitrate_allocator() const {
-      return bitrate_allocator_.get(); }
   TransportFeedbackObserver* GetTransportFeedbackObserver();
 
-  // Implements BitrateObserver.
-  void OnNetworkChanged(uint32_t target_bitrate_bps,
-                        uint8_t fraction_loss,
-                        int64_t rtt) override;
+  void UpdatePacerBitrate(int bitrate_kbps, int max_bitrate_kbps,
+                          int min_bitrate_kbps);
 
   void OnSentPacket(const rtc::SentPacket& sent_packet);
 
  private:
   rtc::scoped_ptr<VieRemb> remb_;
-  // TODO(mflodman): Move bitrate_allocator_ to Call.
-  rtc::scoped_ptr<BitrateAllocator> bitrate_allocator_;
   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_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_CALL_CONGESTION_CONTROLLER_H_