Improving support for Android Audio Effects in WebRTC

webrtc/modules/audio_device/include/audio_device.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.
  */
 
@@ skipping 169 matching lines @@
   virtual int32_t PlayoutSampleRate(uint32_t* samplesPerSec) const = 0;
 
   // Mobile device specific functions
   virtual int32_t ResetAudioDevice() = 0;
   virtual int32_t SetLoudspeakerStatus(bool enable) = 0;
   virtual int32_t GetLoudspeakerStatus(bool* enabled) const = 0;
 
   // Only supported on Android.
   // TODO(henrika): Make pure virtual after updating Chromium.
   virtual bool BuiltInAECIsAvailable() const { return false; }
+  virtual bool BuiltInAGCIsAvailable() const { return false; }
+  virtual bool BuiltInNSIsAvailable() const { return false; }
 
-  // Enables the built-in AEC. Only supported on Windows and Android.
-  //
-  // For usage on Windows (requires Core Audio):
-  // Must be called before InitRecording(). When enabled:
-  // 1. StartPlayout() must be called before StartRecording().
-  // 2. StopRecording() should be called before StopPlayout().
-  //    The reverse order may cause garbage audio to be rendered or the
-  //    capture side to halt until StopRecording() is called.
+  // Enables the built-in audio effects. Only supported on Android.
   // TODO(henrika): Make pure virtual after updating Chromium.
   virtual int32_t EnableBuiltInAEC(bool enable) { return -1; }
-
+  virtual int32_t EnableBuiltInAGC(bool enable) { return -1; }
+  virtual int32_t EnableBuiltInNS(bool enable) { return -1; }
   // Don't use.
   virtual bool BuiltInAECIsEnabled() const { return false; }
 
   // Only supported on iOS.
   // TODO(henrika): Make pure virtual after updating Chromium.
   virtual int GetPlayoutAudioParameters(AudioParameters* params) const {
     return -1;
   }
   virtual int GetRecordAudioParameters(AudioParameters* params) const {
     return -1;
   }
 
  protected:
   virtual ~AudioDeviceModule() {}
 };
 
 AudioDeviceModule* CreateAudioDeviceModule(
     int32_t id, AudioDeviceModule::AudioLayer audioLayer);
 
 }  // namespace webrtc
 
 #endif  // MODULES_AUDIO_DEVICE_INCLUDE_AUDIO_DEVICE_H_