Creating controller manager from config string in audio network adaptor.

webrtc/modules/audio_coding/audio_network_adaptor/controller_manager.h

 /*
  *  Copyright (c) 2016 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 @@
   virtual std::vector<Controller*> GetControllers() const = 0;
 };
 
 class ControllerManagerImpl final : public ControllerManager {
  public:
   struct Config {
     Config(int min_reordering_time_ms,
            float min_reordering_squared_distance,
            const Clock* clock);
     ~Config();
+    // Least time since last reordering for a new reordering to be made.
     int min_reordering_time_ms;
+    // Least squared distance from last scoring point for a new reordering to be
+    // made.
     float min_reordering_squared_distance;
     const Clock* clock;
   };
 
+  static std::unique_ptr<ControllerManager> Create(
+      const std::string& config_string,
+      size_t num_encoder_channels,
+      rtc::ArrayView<const int> encoder_frame_lengths_ms,
+      size_t intial_channels_to_encode,
+      int initial_frame_length_ms,
+      int initial_bitrate_bps,
+      bool initial_fec_enabled,
+      bool initial_dtx_enabled,
+      const Clock* clock);
+
   explicit ControllerManagerImpl(const Config& config);
 
   // Dependency injection for testing.
   ControllerManagerImpl(
       const Config& config,
       std::vector<std::unique_ptr<Controller>>&& controllers,
       const std::map<const Controller*, std::pair<int, float>>&
           chracteristic_points);
 
   ~ControllerManagerImpl() override;
@@ skipping 31 matching lines @@
   // |scoring_points_| saves the characteristic scoring points of various
   // controllers.
   std::map<const Controller*, ScoringPoint> controller_scoring_points_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(ControllerManagerImpl);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_CONTROLLER_MANAGER_H_