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      1 /*
      2  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef WEBRTC_VIDEO_ENGINE_VIE_CHANNEL_GROUP_H_
     12 #define WEBRTC_VIDEO_ENGINE_VIE_CHANNEL_GROUP_H_
     13 
     14 #include <set>
     15 
     16 #include "webrtc/system_wrappers/interface/scoped_ptr.h"
     17 
     18 namespace webrtc {
     19 
     20 class BitrateController;
     21 class CallStats;
     22 class Config;
     23 class EncoderStateFeedback;
     24 class ProcessThread;
     25 class RemoteBitrateEstimator;
     26 class ViEChannel;
     27 class ViEEncoder;
     28 class VieRemb;
     29 
     30 // Channel group contains data common for several channels. All channels in the
     31 // group are assumed to send/receive data to the same end-point.
     32 class ChannelGroup {
     33  public:
     34   ChannelGroup(int engine_id, ProcessThread* process_thread,
     35                const Config* config);
     36   ~ChannelGroup();
     37 
     38   void AddChannel(int channel_id);
     39   void RemoveChannel(int channel_id, unsigned int ssrc);
     40   bool HasChannel(int channel_id);
     41   bool Empty();
     42 
     43   bool SetChannelRembStatus(int channel_id, bool sender, bool receiver,
     44                             ViEChannel* channel);
     45   void SetBandwidthEstimationConfig(const webrtc::Config& config);
     46 
     47   BitrateController* GetBitrateController();
     48   CallStats* GetCallStats();
     49   RemoteBitrateEstimator* GetRemoteBitrateEstimator();
     50   EncoderStateFeedback* GetEncoderStateFeedback();
     51 
     52  private:
     53   typedef std::set<int> ChannelSet;
     54 
     55   scoped_ptr<VieRemb> remb_;
     56   scoped_ptr<BitrateController> bitrate_controller_;
     57   scoped_ptr<CallStats> call_stats_;
     58   scoped_ptr<RemoteBitrateEstimator> remote_bitrate_estimator_;
     59   scoped_ptr<EncoderStateFeedback> encoder_state_feedback_;
     60   ChannelSet channels_;
     61   const Config* config_;
     62   // Placeholder for the case where this owns the config.
     63   scoped_ptr<Config> own_config_;
     64 
     65   // Registered at construct time and assumed to outlive this class.
     66   ProcessThread* process_thread_;
     67 };
     68 
     69 }  // namespace webrtc
     70 
     71 #endif  // WEBRTC_VIDEO_ENGINE_VIE_CHANNEL_GROUP_H_
     72