Remove SetAudioDelayOffset() and friends.

talk/media/base/mediaengine.h

 /*
  * libjingle
  * Copyright 2004 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 46 matching lines @@
 namespace cricket {
 
 class VideoCapturer;
 
 // MediaEngineInterface is an abstraction of a media engine which can be
 // subclassed to support different media componentry backends.
 // It supports voice and video operations in the same class to facilitate
 // proper synchronization between both media types.
 class MediaEngineInterface {
  public:
-  // Default value to be used for SetAudioDelayOffset().
-  static const int kDefaultAudioDelayOffset;
-
   virtual ~MediaEngineInterface() {}
 
   // Initialization
   // Starts the engine.
   virtual bool Init(rtc::Thread* worker_thread) = 0;
   // Shuts down the engine.
   virtual void Terminate() = 0;
   // TODO(solenberg): Remove once VoE API refactoring is done.
   virtual webrtc::VoiceEngine* GetVoE() = 0;
 
   // MediaChannel creation
   // Creates a voice media channel. Returns NULL on failure.
   virtual VoiceMediaChannel* CreateChannel(
       webrtc::Call* call,
       const AudioOptions& options) = 0;
   // Creates a video media channel, paired with the specified voice channel.
   // Returns NULL on failure.
   virtual VideoMediaChannel* CreateVideoChannel(
       webrtc::Call* call,
       const VideoOptions& options) = 0;
 
   // Configuration
   // Gets global audio options.
   virtual AudioOptions GetAudioOptions() const = 0;
   // Sets global audio options. "options" are from AudioOptions, above.
   virtual bool SetAudioOptions(const AudioOptions& options) = 0;
-  // Sets the value used by the echo canceller to offset delay values obtained
-  // from the OS.
-  virtual bool SetAudioDelayOffset(int offset) = 0;
   // Sets the default (maximum) codec/resolution and encoder option to capture
   // and encode video.
   virtual bool SetDefaultVideoEncoderConfig(const VideoEncoderConfig& config)
       = 0;
 
   // Device selection
   virtual bool SetSoundDevices(const Device* in_device,
                                const Device* out_device) = 0;
 
   // Device configuration
@@ skipping 66 matching lines @@
                                                 const VideoOptions& options) {
     return video_.CreateChannel(call, options);
   }
 
   virtual AudioOptions GetAudioOptions() const {
     return voice_.GetOptions();
   }
   virtual bool SetAudioOptions(const AudioOptions& options) {
     return voice_.SetOptions(options);
   }
-  virtual bool SetAudioDelayOffset(int offset) {
-    return voice_.SetDelayOffset(offset);
-  }
   virtual bool SetDefaultVideoEncoderConfig(const VideoEncoderConfig& config) {
     return video_.SetDefaultEncoderConfig(config);
   }
 
   virtual bool SetSoundDevices(const Device* in_device,
                                const Device* out_device) {
     return voice_.SetDevices(in_device, out_device);
   }
 
   virtual bool GetOutputVolume(int* level) {
@@ skipping 38 matching lines @@
 // NullVoiceEngine can be used with CompositeMediaEngine in the case where only
 // a video engine is desired.
 class NullVoiceEngine {
  public:
   bool Init(rtc::Thread* worker_thread) { return true; }
   void Terminate() {}
   // If you need this to return an actual channel, use FakeMediaEngine instead.
   VoiceMediaChannel* CreateChannel(const AudioOptions& options) {
     return nullptr;
   }
-  bool SetDelayOffset(int offset) { return true; }
   AudioOptions GetOptions() const { return AudioOptions(); }
   bool SetOptions(const AudioOptions& options) { return true; }
   bool SetDevices(const Device* in_device, const Device* out_device) {
     return true;
   }
   bool GetOutputVolume(int* level) {
     *level = 0;
     return true;
   }
   bool SetOutputVolume(int level) { return true; }
@@ skipping 48 matching lines @@
 class DataEngineInterface {
  public:
   virtual ~DataEngineInterface() {}
   virtual DataMediaChannel* CreateChannel(DataChannelType type) = 0;
   virtual const std::vector<DataCodec>& data_codecs() = 0;
 };
 
 }  // namespace cricket
 
 #endif  // TALK_MEDIA_BASE_MEDIAENGINE_H_