Rename ChannelGroup to CongestionController and move to webrtc/call/.

webrtc/video_engine/vie_channel_group.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_VIDEO_ENGINE_VIE_CHANNEL_GROUP_H_
-#define WEBRTC_VIDEO_ENGINE_VIE_CHANNEL_GROUP_H_
-
-#include <list>
-#include <map>
-#include <set>
-#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/video_receive_stream.h"
-#include "webrtc/video_send_stream.h"
-
-namespace webrtc {
-
-class BitrateAllocator;
-class CallStats;
-class Config;
-class PacedSender;
-class PacketRouter;
-class ProcessThread;
-class RemoteBitrateEstimator;
-class RemoteEstimatorProxy;
-class RtpRtcp;
-class SendStatisticsProxy;
-class TransportFeedbackAdapter;
-class ViEEncoder;
-class VieRemb;
-
-// Channel group contains data common for several channels. All channels in the
-// group are assumed to send/receive data to the same end-point.
-class ChannelGroup : public BitrateObserver {
- public:
-  ChannelGroup(ProcessThread* process_thread, CallStats* call_stats);
-  ~ChannelGroup();
-  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();
-  RtcpIntraFrameObserver* GetRtcpIntraFrameObserver() const;
-
-  // Implements BitrateObserver.
-  void OnNetworkChanged(uint32_t target_bitrate_bps,
-                        uint8_t fraction_loss,
-                        int64_t rtt) override;
-
-  void OnSentPacket(const rtc::SentPacket& sent_packet);
-
- private:
-  rtc::scoped_ptr<VieRemb> remb_;
-  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_VIDEO_ENGINE_VIE_CHANNEL_GROUP_H_